Citation of journal articles, books, and other objects (software, data, etc).
<!-- software -->
<element-citation publication-type="software">
<person-group person-group-type="author">
<collab><institution>ESRI</institution></collab>
</person-group>
<source>ArcGIS</source>
<edition designator="9.2">v.9.2</source>
<year iso-8601-date="2006">2006</year>
<publisher-loc>Redlands</publisher-loc>
<publisher-name>Environmental Systems Research Institute, Inc</publisher-name>
</element-citation>
<!-- journal -->
<ref id="bib39">
<mixed-citation publication-type="journal">
<person-group person-group-type="author">
<name>
<surname>Godchaux</surname>
<given-names>W</given-names>
</name>
<name>
<surname>Leadbetter</surname>
<given-names>E</given-names>
</name>
</person-group>. <year>1988</year>. <article-title>Sulfonolipids are localized
in the outer membrane of the gliding bacterium Cytophaga
johnsonae</article-title>. <source>Archives of
microbiology</source>.</mixed-citation>
</ref>
<!-- book -->
<ref id="bib1">
<mixed-citation publication-type="book">
<person-group person-group-type="author">
<name>
<surname>Agosta</surname>
<given-names>WC</given-names>
</name>
</person-group>. <year>1992</year>. <source>Chemical Communication</source>.
<publisher-loc>New York</publisher-loc>: <publisher-name>Scientific American
Press</publisher-name>.</mixed-citation>
</ref>
<!-- other -->
<ref id="bib59">
<mixed-citation publication-type="other">
<person-group person-group-type="author">
<name>
<surname>Kreft</surname>
<given-names>JM</given-names>
</name>
</person-group>.<article-title>Effects of forming multicellular colonies or
attaching to surfaces on feeding rates of the choanoflagellate Salpingoeca
rosetta</article-title>. <person-group person-group-type="editor">
<name>
<surname>Koehl</surname>
<given-names>M</given-names>
</name>
</person-group>, editor. <source>Thesis (M.A.in Integrative Biology)</source>.
<publisher-loc>Berkeley</publisher-loc>: <publisher-name>University of
California</publisher-name>.</mixed-citation>
</ref>