<?xml version="1.0" encoding="UTF-8"?>
<style xmlns="http://purl.org/net/xbiblio/csl" xml:lang="en" class="in-text" >
  <info>
    <title>Chicago Manual of Style (Author-Date format)</title>
    <id>http://www.zotero.org/styles/chicago-author-date</id>
    <link href="http://www.zotero.org/styles/chicago-author-date"/>
    <author>
      <name>Julian Onions</name>
      <email>julian.onions@gmail.com</email>
    </author>
    <category term="author-date"/>
    <category term="generic-base"/>
    <updated/>
    <summary>The author-date variant of the Chicago style</summary>
    <link href="http://www.chicagomanualofstyle.org/tools_citationguide.html" rel="documentation"/>
  </info>
  <macro name="secondary-contributors">
    <choose>
      <if type="chapter" match="none">
    <group delimiter=". ">
      <names variable="editor">
        <label form="verb-short" prefix=" " text-case="capitalize-first" suffix=". "/>
        <name and="text" delimiter=", "/>
      </names>
      <choose>
        <if variable="author editor" match="any">
          <names variable="translator">
            <label form="verb-short" prefix=" " text-case="capitalize-first" suffix=". "/>
            <name and="text" delimiter=", "/>
          </names>
        </if>
      </choose>
    </group>
      </if>
    </choose>
  </macro>
  <macro name="container-contributors">
    <choose>
      <if type="chapter">
    <group prefix="," delimiter=", ">
      <names variable="editor">
        <label form="verb-short" prefix=" " text-case="lowercase" suffix=". "/>
        <name and="text" delimiter=", "/>
      </names>
      <choose>
        <if variable="author editor" match="any">
          <names variable="translator">
            <label form="verb-short" prefix=" " text-case="lowercase" suffix=". "/>
            <name and="text" delimiter=", "/>
          </names>
        </if>
      </choose>
    </group>
      </if>
    </choose>
  </macro>
  <macro name="anon">
    <choose>
      <if variable="author editor translator" match="none">
    <text term="anonymous" form="short" text-case="capitalize-first"/>
	  </if>
	</choose>
  </macro>
  <macro name="editor">
    <names variable="editor">
      <name name-as-sort-order="first" and="text" sort-separator=", " delimiter=", " delimiter-precedes-last="always"/>
      <label form="short" prefix=", " suffix="."/>
    </names>
  </macro>
  <macro name="translator">
    <names variable="translator">
      <name name-as-sort-order="first" and="text" sort-separator=", " delimiter=", " delimiter-precedes-last="always"/>
      <label form="verb-short" prefix=", " suffix="."/>
    </names>
  </macro>
  <macro name="recipient">
    <choose>
      <if type="personal_communication">
    	<choose>
	  	  <if variable="genre">
		<text variable="genre" text-case="capitalize-first"/>
	  	  </if>
	  	  <else>
		<text term="letter" text-case="capitalize-first"/>
		  </else>
	    </choose>
	  </if>
	</choose>
    <names variable="recipient" delimiter=", ">
      <label form="verb" prefix=" " text-case="lowercase" suffix=" "/>
      <name and="text" delimiter=", "/>
    </names>
  </macro>
  <macro name="contributors">
    <names variable="author">
      <name and="text" name-as-sort-order="first" sort-separator=", " delimiter=", "
        delimiter-precedes-last="always"/>
      <label form="verb-short" prefix=", " suffix="." text-case="lowercase"/>
      <substitute>
        <text macro="editor"/>
        <text macro="translator"/>
      </substitute>
    </names>
    <text macro="anon"/>
    <text macro="recipient"/>
  </macro>
  <macro name="contributors-short">
    <names variable="author">
      <name form="short" and="text" delimiter=", "/>
      <substitute>
        <names variable="editor"/>
        <names variable="translator"/>
      </substitute>
    </names>
    <text macro="anon"/>
  </macro>
  <macro name="interviewer">
    <names variable="interviewer" delimiter=", ">
      <label form="verb" prefix=" " text-case="capitalize-first" suffix=" "/>
      <name and="text" delimiter=", "/>
    </names>
  </macro>
  <macro name="archive">
    <group delimiter=". ">
      <text variable="archive_location" text-case="capitalize-first"/>
      <text variable="archive"/>
      <text variable="archive-place"/>
    </group>
  </macro>
  <macro name="access">
    <group delimiter=". ">
	  <choose>
	    <if type="graphic report" match="any">
      <text macro="archive"/>
	    </if>
	    <else-if type="book thesis chapter article-journal article-newspaper article-magazine" match="none">
      <text macro="archive"/>
	    </else-if>
	  </choose>
      <text variable="DOI" prefix="doi:"/>
      <text variable="URL"/>
    </group>
  </macro>
  <macro name="title">
    <choose>
      <if variable="title" match="none">
        <choose>
          <if type="personal_communication" match="none">
        <text variable="genre" text-case="capitalize-first"/>
          </if>
        </choose>
      </if>
      <else-if type="book">
        <text variable="title" font-style="italic"/>
      </else-if>
      <else>
        <text variable="title"/>
      </else>
    </choose>
  </macro>
  <macro name="edition">
    <choose>
      <if type="book chapter" match="any">
    <choose>
      <if is-numeric="edition">
        <group delimiter=" ">
          <number variable="edition" form="ordinal"/>
          <text term="edition" form="short" suffix="."/>
        </group>
      </if>
      <else>
        <text variable="edition" suffix="."/>
      </else>
    </choose>
      </if>
    </choose>
  </macro>
  <macro name="locators">
    <choose>
      <if type="article-journal">
        <text variable="volume" prefix=" "/>
        <text variable="issue" prefix=", no. "/>
      </if>
      <else-if type="book">
        <group prefix=". " delimiter=". ">
          <group>
            <text term="volume" form="short" text-case="capitalize-first" suffix=". "/>
            <number variable="volume" form="numeric"/>
          </group>
          <group>
            <number variable="number-of-volumes" form="numeric"/>
            <text term="volume" form="short" prefix=" " suffix="." plural="true"/>
          </group>
        </group>
      </else-if>
    </choose>
  </macro>
  <macro name="locators-chapter">
    <choose>
      <if type="chapter">
        <group prefix=", ">
          <text variable="volume" suffix=":"/>
          <text variable="page"/>
        </group>
      </if>
    </choose>
  </macro>
  <macro name="locators-article">
    <choose>
      <if type="article-newspaper">
        <group prefix=", " delimiter=", ">
          <group>
        <text variable="edition" suffix=" "/>
        <text term="edition" prefix=" "/>
          </group>
          <group>
        <text term="section" form="short" suffix=". "/>
        <text variable="section"/>
          </group>
        </group>
      </if>
      <else-if type="article-journal">
    <text variable="page" prefix=": "/>
      </else-if>
    </choose>
  </macro>
  <macro name="point-locators">
    <group>
      <choose>
	    <if locator="page" match="none">
	  <label variable="locator" form="short" include-period="true" suffix=" "/>
	    </if>
	  </choose>
      <text variable="locator"/>
	</group>
  </macro>
  <macro name="container-prefix">
    <text term="in" text-case="capitalize-first"/>
  </macro>
  <macro name="container-title">
    <choose>
      <if type="chapter">
        <text macro="container-prefix" suffix=" "/>
      </if>
    </choose>
    <text variable="container-title" font-style="italic"/>
  </macro>
  <macro name="publisher">
    <group delimiter=": ">
      <text variable="publisher-place"/>
      <text variable="publisher"/>
    </group>
  </macro>
  <macro name="date">
    <date variable="issued">
      <date-part name="year"/>
    </date>
  </macro>
  <macro name="day-month">
    <date variable="issued">
      <date-part name="month"/>
      <date-part name="day" prefix=" "/>
    </date>
  </macro>
  <macro name="collection-title">
    <text variable="collection-title"/>
    <text variable="collection-number" prefix=" "/>
  </macro>
  <macro name="event">
    <group>
      <text term="presented at" suffix=" "/>
      <text variable="event"/>
    </group>
  </macro>
  <macro name="description">
    <group delimiter=". ">
      <text macro="interviewer"/>
      <text variable="medium" text-case="capitalize-first"/>
    </group>
    <choose>
      <if variable="title" match="none"> </if>
      <else-if type="thesis"> </else-if>
      <else>
        <text variable="genre" text-case="capitalize-first" prefix=". "/>
      </else>
    </choose>
  </macro>
  <macro name="issue">
    <choose>
      <if type="article-journal">
        <text macro="day-month" prefix=" (" suffix=")"/>
      </if>
      <else-if type="speech">
        <group prefix=" " delimiter=", ">
          <text macro="event"/>
          <text macro="day-month"/>
          <text variable="event-place"/>
        </group>
      </else-if>
      <else-if type="article-newspaper article-magazine" match="any">
        <text macro="day-month" prefix=", "/>
      </else-if>
      <else>
        <group prefix=". " delimiter=", ">
          <choose>
            <if type="thesis">
              <text variable="genre" text-case="capitalize-first"/>
            </if>
          </choose>
          <text macro="publisher"/>
          <text macro="day-month"/>
        </group>
      </else>
    </choose>
  </macro>
  <citation>
    <option name="et-al-min" value="4"/>
    <option name="et-al-use-first" value="1"/>
    <option name="et-al-subsequent-min" value="4"/>
    <option name="et-al-subsequent-use-first" value="1"/>
    <option name="disambiguate-add-year-suffix" value="true"/>
    <option name="disambiguate-add-names" value="true"/>
    <option name="disambiguate-add-givenname" value="true"/>
    <layout prefix="(" suffix=")" delimiter="; ">
      <group delimiter=", ">
        <group delimiter=" ">
          <text macro="contributors-short"/>
          <text macro="date"/>
        </group>
        <text macro="point-locators"/>
      </group>
    </layout>
  </citation>
  <bibliography>
    <option name="hanging-indent" value="true"/>
    <option name="et-al-min" value="6"/>
    <option name="et-al-use-first" value="3"/>
    <option name="subsequent-author-substitute" value="---"/>
    <option name="entry-spacing" value="0"/>
    <sort>
      <key macro="contributors"/>
      <key variable="issued"/>
    </sort>
    <layout suffix=".">
      <text macro="contributors" suffix=". "/>
      <text macro="date" suffix=". "/>
      <text macro="title"/>
      <text macro="description"/>
      <text macro="secondary-contributors" prefix=". "/>
      <text macro="container-title" prefix=". "/>
      <text macro="container-contributors"/>
      <text macro="locators-chapter"/>
      <text macro="edition" prefix=". "/>
      <text macro="locators"/>
      <text macro="collection-title" prefix=". "/>
      <text macro="issue"/>
      <text macro="locators-article"/>
      <text macro="access" prefix=". "/>
    </layout>
  </bibliography>
</style>