diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 2be4b7f2..2ca9be57 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -3652,6 +3652,7 @@ XML:
   - .ccxml
   - .clixml
   - .cproject
+  - .csl
   - .csproj
   - .ct
   - .dita
diff --git a/samples/XML/sample.csl b/samples/XML/sample.csl
new file mode 100644
index 00000000..7f26fefc
--- /dev/null
+++ b/samples/XML/sample.csl
@@ -0,0 +1,1053 @@
+<?xml version="1.0" encoding="utf-8"?>
+<style xmlns="http://purl.org/net/xbiblio/csl" class="in-text" version="1.0" demote-non-dropping-particle="never">
+  <info>
+    <title>Modern Language Association 7th edition (with URL)</title>
+    <title-short>MLA</title-short>
+    <id>http://www.zotero.org/styles/modern-language-association-with-url</id>
+    <link href="http://www.zotero.org/styles/modern-language-association-with-url" rel="self"/>
+    <link href="http://owl.english.purdue.edu/owl/section/2/11/" rel="documentation"/>
+    <author>
+      <name>Martin Foakes</name>
+      <email>martin@refme.com</email>
+    </author>
+    <category citation-format="author"/>
+    <category field="generic-base"/>
+    <summary>The 2009 MLA Style for purposes where the URL is still required</summary>
+    <updated>2012-10-25T21:15:26+00:00</updated>
+    <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
+  </info>
+ <locale xml:lang="en">
+    <style-options punctuation-in-quote="true"/>
+    <terms>
+      <term name="editor" form="short">
+      <single>ed</single>
+      <multiple>eds</multiple>
+    </term>
+      <term name="illustrator" form="short">Illus.</term>
+      <term name="open-quote">“</term>
+      <term name="close-quote">”</term>
+      <term name="translator" form="short">trans.</term>
+      <term name="month-01" form="short">Jan.</term>
+      <term name="month-02" form="short">Feb.</term>
+      <term name="month-03" form="short">Mar.</term>
+      <term name="month-04" form="short">Apr.</term>
+      <term name="month-05" form="short">May</term>
+      <term name="month-06" form="short">June</term>
+      <term name="month-07" form="short">July</term>
+      <term name="month-08" form="short">Aug.</term>
+      <term name="month-09" form="short">Sept.</term>
+      <term name="month-10" form="short">Oct.</term>
+      <term name="month-11" form="short">Nov.</term>
+      <term name="month-12" form="short">Dec.</term>
+    </terms>
+  </locale>
+  <macro name="author">
+    <names variable="author">
+      <name et-al-min="4" et-al-use-first="1" name-as-sort-order="first" and="text" delimiter=", " delimiter-precedes-et-al="always" delimiter-precedes-last="always"/>
+      <substitute>
+        <names variable="editor">
+          <name et-al-min="4" et-al-use-first="1" name-as-sort-order="first" and="text" delimiter=", " delimiter-precedes-et-al="always" delimiter-precedes-last="always"/>
+          <label form="short" prefix=", "/>
+        </names>
+        <names variable="translator">
+          <name et-al-min="4" et-al-use-first="1" name-as-sort-order="first" and="text" delimiter=", " delimiter-precedes-et-al="always" delimiter-precedes-last="always"/>
+          <label form="short" prefix=", "/>
+        </names>
+        <names variable="illustrator">
+          <name et-al-min="4" et-al-use-first="1" name-as-sort-order="first" and="text" delimiter=", " delimiter-precedes-et-al="always" delimiter-precedes-last="always"/>
+          <label form="short" prefix=", "/>
+        </names>
+        <choose>
+          <if type="book motion_picture pamphlet" match="any">
+            <text variable="title" font-style="italic"/>
+          </if>
+          <else>
+            <text variable="title" quotes="true"/>
+          </else>
+        </choose>
+      </substitute>
+    </names>
+  </macro>
+  <macro name="author-sort">
+    <names variable="author">
+      <name et-al-min="4" et-al-use-first="1" name-as-sort-order="first" and="text" delimiter=", " delimiter-precedes-et-al="always" delimiter-precedes-last="always"/>
+      <choose>
+        <if type="review review-book">
+          <substitute>su
+            <text variable="title" quotes="true"/>
+            <text variable="reviewed-title"/>
+          </substitute>
+        </if>
+        <else>
+          <substitute>
+            <names variable="editor">
+              <name et-al-min="4" et-al-use-first="1" name-as-sort-order="first" and="text" delimiter=", " delimiter-precedes-et-al="always" delimiter-precedes-last="always"/>
+              <label form="short" prefix=", "/>
+            </names>
+            <names variable="translator">
+              <name et-al-min="4" et-al-use-first="1" name-as-sort-order="first" and="text" delimiter=", " delimiter-precedes-et-al="always" delimiter-precedes-last="always"/>
+              <label form="short" prefix=", "/>
+            </names>
+            <names variable="illustrator">
+              <name et-al-min="4" et-al-use-first="1" name-as-sort-order="first" and="text" delimiter=", " delimiter-precedes-et-al="always" delimiter-precedes-last="always"/>
+              <label form="short" prefix=", "/>
+            </names>
+            <choose>
+              <if type="book motion_picture pamphlet" match="any">
+                <text variable="title" font-style="italic"/>
+              </if>
+              <else>
+                <text variable="title" quotes="true"/>
+              </else>
+            </choose>
+          </substitute>
+        </else>
+      </choose>
+    </names>
+  </macro>
+  <macro name="entry-author">
+    <names variable="author">
+      <name et-al-min="4" et-al-use-first="1" name-as-sort-order="first" and="text" delimiter=", " delimiter-precedes-et-al="always" delimiter-precedes-last="always"/>
+      <substitute>
+        <names variable="editor">
+          <name et-al-min="4" et-al-use-first="1" name-as-sort-order="first" and="text" delimiter=", " delimiter-precedes-et-al="always" delimiter-precedes-last="always"/>
+          <label form="short" prefix=", "/>
+        </names>
+        <text variable="title" quotes="true"/>
+      </substitute>
+    </names>
+  </macro>
+  <macro name="reviewed-author">
+    <names variable="reviewed-author">
+      <name et-al-min="4" et-al-use-first="1" and="text" delimiter=", " delimiter-precedes-et-al="always" delimiter-precedes-last="always"  initialize="false"/>
+    </names>
+  </macro>
+  <macro name="original-author">
+    <names variable="original-author">
+      <name et-al-min="4" et-al-use-first="1" form="long" and="text" delimiter=", " delimiter-precedes-et-al="always" delimiter-precedes-last="always"/>
+    </names>
+  </macro>
+  <macro name="title">
+    <choose>
+      <if type="chapter article-journal personal_communication speech personal_communication entry-dictionary webpage review review-book entry-encyclopedia article article-newspaper interview article-magazine broadcast" match="any">
+        <text variable="title" font-style="normal" quotes="true" text-case="title"/>
+      </if>
+      <else>
+        <text variable="title" font-style="italic" text-case="title"/>
+      </else>
+    </choose>
+  </macro>
+    <macro name="publisher-place">
+    <choose>
+      <if variable="publisher-place" match="none">
+        <choose>
+          <if type="interview broadcast webpage motion_picture" match="none">
+            <text value="N.p.: "/>
+          </if>
+        </choose>
+        <text variable="publisher"/>
+      </if>
+      <else-if variable="publisher" match="none">
+        <text variable="publisher-place"/>
+        <text value=": n.p."/>
+      </else-if>
+      <else-if variable="publisher publisher-place" match="all">
+          <text variable="publisher-place" suffix=": "/>
+          <text variable="publisher"/>
+      </else-if>
+      <else>
+        <text value="n.p."/>
+      </else>
+    </choose>
+  </macro>
+  <macro name="container-title">
+    <choose>
+      <if match="any" variable="container-title">
+        <text variable="container-title" font-style="italic"/>
+      </if>
+    </choose>
+  </macro>
+  <macro name="publication-year">
+    <choose>
+      <if variable="issued" match="any">
+        <date delimiter="" variable="issued">
+          <date-part name="day" suffix=" "/>
+          <date-part name="month" form="short" suffix=" "/>
+          <date-part name="year"/>
+        </date>
+      </if>
+      <else>
+        <choose>
+          <if type="thesis" match="none">
+            <text term="no date" form="short"/>
+          </if>
+        </choose>
+      </else>
+    </choose>
+  </macro>
+  <macro name="page-range">
+    <choose>
+      <if match="any" variable="page">
+        <text variable="page"/>
+      </if>
+      <else>
+        <choose>
+          <if type="interview paper-conference" match="none">
+            <text value="n.pag."/>
+          </if>
+        </choose>
+      </else>
+    </choose>
+  </macro>
+  <macro name="edition-number">
+    <choose>
+      <if match="any" variable="edition">
+        <number variable="edition" form="ordinal" suffix=" "/>
+        <text term="edition" form="short"/>
+      </if>
+    </choose>
+  </macro>
+  <macro name="edition-text">
+    <choose>
+      <if variable="edition" match="any">
+        <text variable="edition" suffix=" "/>
+        <text term="edition" form="short"/>
+      </if>
+    </choose>
+  </macro>
+  <macro name="section-number">
+    <choose>
+      <if variable="section" match="any">
+        <text term="section" form="short" suffix=" "/>
+        <text variable="section"/>
+      </if>
+    </choose>
+  </macro>
+  <macro name="editor">
+    <choose>
+      <if match="any" variable="editor">
+        <choose>
+          <if type="review review-book" match="any">
+            <text term="editor" form="short" suffix=". "/>
+          </if>
+          <else>
+            <text term="editor" form="short" text-case="capitalize-first" suffix=". "/>
+          </else>
+        </choose>
+        <names variable="editor">
+          <name and="text"/>
+        </names>
+      </if>
+    </choose>
+  </macro>
+  <macro name="translator-long">
+    <choose>
+      <if match="any" variable="translator">
+        <text term="translator" form="short" text-case="capitalize-first" suffix=" "/>
+        <names variable="translator">
+          <name and="text"/>
+        </names>
+      </if>
+    </choose>
+  </macro>
+  <macro name="illustrator-long">
+    <choose>
+      <if match="any" variable="illustrator">
+        <text term="illustrator" form="short" text-case="capitalize-first" suffix=" "/>
+        <names variable="illustrator">
+          <name and="text" initialize-with=". "/>
+        </names>
+      </if>
+    </choose>
+  </macro>
+  <macro name="volume">
+    <choose>
+      <if match="any" variable="volume">
+        <text term="volume" form="short" suffix=" " text-case="capitalize-first"/>
+        <number variable="volume"/>
+      </if>
+    </choose>
+  </macro>
+  <macro name="series">
+    <choose>
+      <if match="any" variable="collection-title">
+        <text variable="collection-title"/>
+        <number variable="collection-number" prefix=" "/>
+      </if>
+    </choose>
+  </macro>
+  <macro name="url-accessed">
+    <choose>
+      <if variable="URL source" match="any">
+        <date delimiter="" variable="accessed">
+          <date-part name="day"/>
+          <date-part name="month" form="short" prefix=" " suffix=" "/>
+          <date-part name="year"/>
+        </date>
+        <text variable="URL" prefix=". &lt;" suffix="&gt;"/>
+      </if>
+    </choose>
+  </macro>
+  <macro name="director">
+    <text value="Dir. "/>
+    <names variable="director">
+      <name and="text"/>
+    </names>
+  </macro>
+  <macro name="recipient">
+    <names variable="recipient">
+      <name et-al-min="4" et-al-use-first="1" name-as-sort-order="first" and="text" delimiter=", " delimiter-precedes-et-al="always" delimiter-precedes-last="always"  initialize="false"/>
+    </names>
+  </macro>
+  <macro name="author-short">
+    <names variable="author">
+      <name form="short" and="text" et-al-min="4" et-al-use-first="1" initialize-with="" name-as-sort-order="all"/>
+        <substitute>
+          <names variable="editor"/>
+          <names variable="translator"/>
+          <text macro="title-short"/>
+        </substitute>
+    </names>
+  </macro>
+  <macro name="locator">
+    <choose>
+      <if match="any" variable="locator">
+        <text variable="locator"/>
+      </if>
+    </choose>
+  </macro>
+  <macro name="title-short">
+    <choose>
+      <if type="bill book graphic legal_case legislation manuscript motion_picture report song" match="any">
+        <text variable="title" text-case="title" form="short" font-style="italic"/>
+      </if>
+      <else>
+        <text variable="title" text-case="title" form="short" quotes="true"/>
+      </else>
+    </choose>
+  </macro>
+  <citation disambiguate-add-givenname="true" >
+    <layout delimiter="; " prefix="(" suffix=")">
+      <group delimiter=" ">
+        <choose>
+          <if variable="author editor translator" match="any">
+            <group delimiter=", ">
+              <text macro="author-short"/>
+              <choose>
+                <if disambiguate="true">
+                  <text macro="title-short"/>
+                </if>
+              </choose>
+            </group>
+          </if>
+          <else>
+            <text macro="title-short"/>
+          </else>
+        </choose>
+        <choose>
+          <if variable="volume" match="all">
+            <number variable="volume" suffix=":"/>
+          </if>
+        </choose>
+        <text macro="locator"/>
+      </group>
+    </layout>
+  </citation>
+  <bibliography hanging-indent="true" subsequent-author-substitute="---" subsequent-author-substitute-rule="complete-all">
+    <sort>
+      <key macro="author-sort"/>
+      <key macro="title"/>
+    </sort>
+    <layout>
+      <choose>
+        <if type="article-journal" match="any">
+          <text macro="author" suffix=". "/>
+          <text macro="title" suffix=". "/>
+          <text macro="container-title" suffix=" "/>
+          <number variable="edition" form="ordinal" suffix=" ser. "/>
+          <text variable="volume" suffix="."/>
+          <text variable="issue" suffix=" "/>
+          <text macro="publication-year" prefix=" (" suffix="): "/>
+          <text macro="page-range" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+          <text variable="note" prefix=" " suffix="."/>
+        </if>
+        <else-if type="article-newspaper" match="any">
+          <text macro="author" suffix=". "/>
+          <text macro="title" suffix=". "/>
+          <text variable="genre" suffix=". "/>
+          <text macro="container-title"/>
+          <text variable="publisher" suffix=","/>
+          <text macro="publication-year" prefix=" "/>
+          <text macro="edition-text"  prefix=", "/>
+          <text macro="section-number" prefix=", "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" text-case="title" font-style="italic"/>
+              <text variable="medium" prefix=". " text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" prefix=" " suffix="."/>
+            </if>
+            <else>
+              <text macro="page-range" prefix=": " suffix=". "/>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+          <text variable="note" prefix=" " suffix="."/>
+        </else-if>
+        <else-if type="article-magazine" match="any">
+          <text macro="author" suffix=". "/>
+          <text macro="title" suffix=". "/>
+          <text macro="container-title" suffix=" "/>
+          <date variable="issued">
+            <date-part name="day"/>
+            <date-part name="month" form="short" prefix=" " suffix=" "/>
+            <date-part name="year" suffix=": "/>
+          </date>
+          <text macro="page-range" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+          <text variable="note" prefix=" " suffix="."/>
+        </else-if>
+        <else-if type="review review-book" match="any">
+          <names variable="author">
+            <name et-al-min="4" et-al-use-first="1" name-as-sort-order="first" and="text" delimiter=", " delimiter-precedes-et-al="always" delimiter-precedes-last="always"/>
+          </names>
+          <text macro="title" prefix=". " suffix="."/>
+          <text variable="reviewed-title" font-style="italic" prefix=" Rev. of " suffix=", "/>
+          <text macro="edition-number" suffix=", "/>
+          <text macro="reviewed-author" prefix="by " suffix=". "/>
+          <names variable="director" prefix="dir. " suffix=". "/>
+          <text macro="editor" suffix=". "/>
+          <text macro="container-title" suffix=" "/>
+          <text variable="volume" suffix="."/>
+          <text variable="issue" suffix=" "/>
+          <date variable="issued">
+            <date-part name="day"/>
+            <date-part name="month" form="short" prefix=" " suffix=" "/>
+            <date-part name="year" suffix=": "/>
+          </date>
+          <text macro="page-range" suffix=". "/>
+          <text variable="medium" text-case="capitalize-first" suffix="."/>
+          <text variable="note" prefix=" " suffix="."/>
+        </else-if>
+        <else-if type="book" match="any">
+          <text macro="author" suffix=". "/>
+          <text macro="title" suffix=". "/>
+          <choose>
+            <if variable="original-title" match="none">
+              <date delimiter="" variable="original-date">
+                <date-part name="year" suffix=". "/>
+              </date>
+            </if>
+          </choose>
+          <text macro="translator-long" suffix=". "/>
+          <text macro="illustrator-long" suffix=". "/>
+          <text macro="editor" suffix=". "/>
+          <text macro="edition-number" suffix=". "/>
+          <choose>
+            <if variable="volume" match="none">
+              <number variable="number-of-volumes" suffix=" vols. "/>
+            </if>
+          </choose>
+          <text macro="volume" suffix=". "/>
+          <text macro="publisher-place" suffix=", "/>
+          <text macro="publication-year" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <choose>
+                <if variable="volume" match="any">
+                  <number variable="number-of-volumes" prefix=" " suffix=" vols."/>
+                </if>
+              </choose>
+              <text macro="series" prefix=" " suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix="."/>
+              </date>
+            </else>
+          </choose>
+          <choose>
+            <if variable="original-title" match="any">
+              <choose>
+              <if variable="translator" match="any">
+                <text value=" Trans. of "/>
+              </if>
+              <else>
+                <text value=" Rpt. of "/>
+              </else>
+              </choose>
+              <text variable="original-title" font-style="italic" suffix=". "/>
+              <text variable="original-publisher-place" suffix=": "/>
+              <text variable="original-publisher" suffix=", "/>
+              <date variable="original-date">
+                <date-part name="year" suffix="."/>
+              </date>
+            </if>
+          </choose>
+          <text variable="note" prefix=" " suffix="."/>
+        </else-if>
+        <else-if type="chapter" match="any">
+          <text macro="author" suffix=". "/>
+          <text macro="title" suffix=". "/>
+          <text macro="translator-long" suffix=". "/>
+          <text macro="container-title" suffix=". "/>
+          <text macro="editor" text-case="capitalize-first" suffix=". "/>
+          <text macro="publisher-place" suffix=", "/>
+          <text macro="publication-year" suffix=". "/>
+          <text macro="page-range" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+          <text variable="note" prefix=" " suffix="."/>
+        </else-if>
+        <else-if type="entry-dictionary entry-encyclopedia" match="any">
+          <text macro="entry-author" suffix=". "/>
+          <text macro="title" suffix=". "/>
+          <text macro="container-title" suffix=". "/>
+          <text macro="editor" suffix=". "/>
+          <text macro="edition-number" suffix=". "/>
+          <number variable="number-of-volumes" suffix=" Vols. "/>
+          <text macro="volume" suffix=". "/>
+          <text macro="publisher-place" suffix=", "/>
+          <text macro="publication-year" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+          <text variable="note" prefix=" " suffix="."/>
+        </else-if>
+        <else-if type="pamphlet" match="any">
+          <text macro="author" suffix=". "/>
+          <text macro="title" suffix=". "/>
+          <text macro="publisher-place" suffix=", "/>
+          <text macro="publication-year" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+          <text variable="note" prefix=" " suffix="."/>
+        </else-if>
+        <else-if type="report" match="any">
+          <text macro="author" suffix=". "/>
+          <text macro="title" suffix=". "/>
+          <date delimiter="" variable="original-date">
+            <date-part name="year" suffix=". "/>
+          </date>
+          <text macro="edition-number" suffix=". "/>
+          <text macro="edition-text" suffix=". "/>
+          <number variable="number-of-volumes" suffix=" vols. "/>
+          <text macro="publisher-place" suffix=", "/>
+          <text macro="publication-year" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+          <text variable="note" prefix=" "  suffix="."/>
+        </else-if>
+        <else-if type="paper-conference" match="any">
+          <text macro="author" suffix=". "/>
+          <choose>
+            <if variable="container-title" match="none">
+              <text variable="title" font-style="italic" text-case="title" suffix=". "/>
+            </if>
+            <else>
+              <text variable="title" quotes="true" font-style="normal" suffix=". "/>
+              <text variable="container-title" font-style="italic" suffix=". "/>
+            </else>
+          </choose>
+          <text macro="editor" suffix=". "/>
+          <date variable="event-date">
+            <date-part name="day" suffix=" "/>
+            <date-part name="month" form="short" suffix=" "/>
+            <date-part name="year" suffix=", "/>
+          </date>
+          <text variable="event-place" suffix=". "/>
+          <text macro="publisher-place"/>
+          <text macro="publication-year" prefix=", " suffix=". "/>
+          <text macro="page-range" suffix=". "/>
+          <text variable="medium" text-case="capitalize-first" suffix="."/>
+          <text variable="note" prefix=" " suffix="."/>
+        </else-if>
+        <else-if type="thesis" match="any">
+          <text macro="author" suffix=". "/>
+          <choose>
+            <if variable="publisher" match="none">
+              <text variable="title" font-style="normal" quotes="true" suffix=". "/>
+            </if>
+            <else>
+              <text macro="title" suffix=". "/>
+            </else>
+          </choose>
+          <text variable="genre" suffix=". "/>
+          <text variable="original-publisher" suffix=", "/>
+          <date variable="original-date">
+            <date-part name="year" suffix=". "/>
+          </date>
+          <text macro="publisher-place" suffix=", "/>
+          <text macro="publication-year" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+          <text variable="note" prefix=" " suffix="."/>
+        </else-if>
+        <else-if type="webpage" match="any">
+          <text macro="author" suffix=". "/>
+          <choose>
+            <if variable="container-title" match="any">
+              <text variable="title" font-style="normal" quotes="true" suffix=". "/>
+              <text variable="container-title" font-style="italic" suffix=". "/>
+            </if>
+            <else>
+              <text variable="title" font-style="italic" suffix=". "/>
+            </else>
+          </choose>
+          <text macro="publisher-place" suffix=", "/>
+          <text macro="publication-year" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <date variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+        </else-if>
+        <else-if type="graphic" match="any">
+          <text macro="author" suffix=". "/>
+          <text macro="title" suffix=". "/>
+          <text macro="publication-year" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="publisher"/>
+              <text variable="publisher-place" prefix=", " suffix=". "/>
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <text variable="publisher" prefix=" "/>
+              <text variable="publisher-place" prefix=", " suffix=". "/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+        </else-if>
+        <else-if type="broadcast" match="any">
+          <text macro="original-author" suffix=". "/>
+          <text macro="title" suffix=". "/>
+          <text variable="volume" font-style="italic" suffix=". "/>
+          <text variable="note" suffix=". "/>
+          <text macro="director" suffix=". "/>
+          <choose>
+            <if variable="call-number" match="any">
+              <text variable="publisher" suffix=". "/>
+              <text variable="call-number" suffix=", "/>
+              <text variable="publisher-place" suffix=", "/>
+              <date delimiter="" variable="issued">
+                <date-part name="day"/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </if>
+            <else>
+              <text variable="publisher" suffix=". "/>
+              <date delimiter="" variable="issued">
+                <date-part name="day"/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+          <text variable="medium" text-case="capitalize-first" suffix="."/>
+        </else-if>
+        <else-if type="song" match="any">
+          <text macro="author" suffix=". "/>
+          <choose>
+            <if variable="container-title" match="any">
+              <text variable="title" quotes="true" font-style="normal" suffix=". "/>
+              <text variable="note" prefix=" " suffix="."/>
+              <date variable="original-date">
+                <date-part name="day" prefix=" Rec. "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+              <text macro="container-title" suffix=". "/>
+            </if>
+            <else>
+              <text macro="title" suffix=". "/>
+              <text variable="note" prefix=" " suffix="."/>
+              <date variable="original-date">
+                <date-part name="day" prefix=" Rec. "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+          <text variable="publisher" suffix=", "/>
+          <text macro="publication-year" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+        </else-if>
+        <else-if type="motion_picture" match="any">
+          <text macro="title" suffix=". "/>
+          <text macro="original-author" prefix="By " suffix=". "/>
+          <text macro="director" suffix=". "/>
+          <text variable="note" suffix=". "/>
+          <date delimiter="" variable="original-date">
+            <date-part name="year" suffix=". "/>
+          </date>
+          <text variable="publisher" suffix=", "/>
+          <text macro="publication-year" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+        </else-if>
+        <!--No format in latest MLA edition for web videos e.g. YouTube, video layout is based on PURDUE OWL syntax issued 2015-07-06 10:49:28-->
+        <else-if type="video" match="any">
+          <text macro="author" suffix=". "/>
+          <text variable="title" quotes="true" text-case="title" suffix=". "/>
+          <text variable="genre" suffix=". "/>
+          <text variable="container-title" font-style="italic" suffix=". "/>
+          <text variable="publisher" suffix=", "/>
+          <text macro="publication-year" suffix=". "/>
+          <choose>
+            <if variable="URL source " match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+        </else-if>
+        <!--No format instructions for web blogs in MLA Handbook, weblog layout is based on PURDUE OWL (Tweet) syntax issued ssued 2015-07-06-->
+        <else-if type="post-weblog" match="any">
+          <text macro="author" suffix=" "/>
+          <names variable="container-author" prefix="(" suffix="). "/>
+          <text variable="title" quotes="true" suffix=". "/>
+          <text macro="publication-year" suffix=", "/>
+          <text variable="medium" suffix="."/>
+        </else-if>
+        <else-if type="musical_score" match="any">
+          <text macro="author" suffix=". "/>
+          <text macro="title" suffix=". "/>
+          <date variable="original-date">
+            <date-part name="year" suffix=". "/>
+          </date>
+          <text macro="publisher-place" suffix=", "/>
+          <text macro="publication-year" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text variable="collection-title" prefix=" " suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <text variable="collection-title" prefix=" " suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+        </else-if>
+        <else-if type="interview" match="any">
+          <text macro="author" suffix=". "/>
+          <choose>
+            <if variable="medium" match="none">
+              <text value="Personal Interview" suffix=". "/>
+              <text macro="publication-year" suffix="."/>
+            </if>
+            <else>
+              <text variable="genre" suffix=" "/>
+              <names variable="interviewer" prefix="by " suffix=". "/>
+              <text macro="title" suffix=". "/>
+              <text variable="container-title" font-style="italic" suffix=". "/>
+              <text macro="director" suffix=". "/>
+              <text macro="publisher-place" suffix=", "/>
+              <text macro="publication-year" suffix=". "/>
+              <text macro="page-range" suffix=". "/>
+              <choose>
+                <if variable="URL source" match="any">
+                  <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+                  <text variable="medium" text-case="capitalize-first" suffix=". "/>
+                  <text macro="url-accessed" suffix="."/>
+                </if>
+                <else>
+                  <text variable="medium" text-case="capitalize-first" suffix="."/>
+                  <date delimiter="" variable="accessed">
+                    <date-part name="day" prefix=" "/>
+                    <date-part name="month" form="short" prefix=" " suffix=" "/>
+                    <date-part name="year" suffix=". "/>
+                  </date>
+                </else>
+              </choose>
+              <text variable="note" prefix=". " suffix="."/>
+            </else>
+          </choose>
+        </else-if>
+        <else-if type="map" match="any">
+          <choose>
+            <if variable="source" match="any">
+              <text variable="title" font-style="normal" quotes="true" suffix=". "/>
+            </if>
+            <else>
+              <text macro="title" suffix=". "/>
+            </else>
+          </choose>
+          <text variable="genre" suffix=". " text-case="capitalize-first"/>
+          <text variable="source" font-style="italic" suffix=". "/>
+          <names variable="author" prefix="By " suffix=". "/>
+          <text macro="publisher-place" suffix=", "/>
+          <text macro="publication-year" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+          <text variable="note" prefix=". " suffix="."/>
+        </else-if>
+        <else-if type="speech" match="any">
+          <text macro="author" suffix=". "/>
+          <text macro="title" suffix=". "/>
+          <text variable="event" suffix=". "/>
+          <text variable="event-place" suffix=". "/>
+          <text macro="publication-year" suffix=". "/>
+          <text variable="medium" text-case="capitalize-first" suffix="."/>
+          <text variable="note" prefix=". " suffix="."/>
+        </else-if>
+        <else-if type="manuscript" match="any">
+          <text macro="author" suffix=". "/>
+          <text macro="title" suffix=". "/>
+          <text macro="publication-year" suffix=". "/>
+          <text variable="genre" suffix=". "/>
+          <text variable="archive" suffix=", "/>
+          <text variable="archive-place" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+          </choose>
+          <text variable="note" prefix=". " suffix="."/>
+        </else-if>
+        <else-if type="personal_communication" match="any">
+          <text macro="author" suffix=". "/>
+          <text macro="title" suffix=". "/>
+          <names variable="recipient" prefix="Message to " suffix=". "/>
+          <text macro="publication-year" suffix=". "/>
+          <text variable="medium" text-case="capitalize-first" suffix="."/>
+          <text variable="note" prefix=". " suffix="."/>
+        </else-if>
+        <else-if type="legal_case" match="any">
+          <text variable="title" suffix=". "/>
+          <number variable="volume" suffix=" "/>
+          <text variable="jurisdiction" suffix=" "/>
+          <text macro="page-range" suffix=". "/>
+          <names variable="author" suffix=". "/>
+          <date variable="original-date">
+            <date-part name="year" suffix=". "/>
+          </date>
+          <text macro="container-title" suffix=". "/>
+          <text macro="publisher-place" suffix=", "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+          <text variable="note" prefix=". " suffix="."/>
+        </else-if>
+        <else-if type="legislation" match="any">
+          <text variable="title" text-case="title" suffix=". "/>
+          <text variable="references" suffix=". "/>
+          <text macro="page-range" suffix=". "/>
+          <text macro="publication-year" suffix=". "/>
+          <choose>
+            <if variable="URL source" match="any">
+              <text variable="source" suffix=". " text-case="title" font-style="italic"/>
+              <text variable="medium" text-case="capitalize-first" suffix=". "/>
+              <text macro="url-accessed" suffix="."/>
+            </if>
+            <else>
+              <text variable="medium" text-case="capitalize-first" suffix="."/>
+              <date delimiter="" variable="accessed">
+                <date-part name="day" prefix=" "/>
+                <date-part name="month" form="short" prefix=" " suffix=" "/>
+                <date-part name="year" suffix=". "/>
+              </date>
+            </else>
+          </choose>
+          <text variable="note" prefix=". " suffix="."/>
+        </else-if>
+        <else-if type="classic" match="any">
+          <text macro="author" suffix=". "/>
+          <text variable="title" font-style="italic" suffix=". "/>
+          <number variable="number-of-volumes" suffix=" vols. "/>
+          <text variable="publisher-place" suffix=", "/>
+          <text macro="publication-year" suffix=". "/>
+          <text variable="medium" suffix="."/>
+        </else-if>
+      </choose>
+    </layout>
+  </bibliography>
+</style>