An experimental microdata markup of a citation and reference.
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In each of the successively more derived clades Ornithodira, Dinosauria, and Saurischia, the primitive state was an increasingly long neck [Sereno 1991]
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(例)
<html itemscope="" itemid="" itemtype="http://schema.org/WebPage"> ... <blockquote itemprop="hasCitation" itemscope="" itemtype="http://schema.org/Citation"> <p itemprop="citeText">In each of the successively more derived clades Ornithodira,... <cite itemprop="reference" itemscope="" itemid="doi:10.2307/3889336">[Sereno 1991]</cite> </p> </blockquote> ... <ul id="references"> <li itemprop="citation" itemscope="" itemtype="http://schema.org/ScholarlyArticle" itemid="doi:10.2307/3889336"> <span itemprop="author" itemscope="" itemtype="http://schema.org/Person"> <span itemprop="familyName">Sereno</span> <span itemprop="givenName">PD</span> </span> (<span itemprop="datePublished">1991</span>) <cite itemprop="name"> <a itemprop="url" href="http://dx.doi.org/10.2307/3889336"> Basal archosaurs: phylogenetic relationships and functional implications </a> </cite> <span> <cite class="source">Society of Vertebrate Paleontology Memoir</cite> <span class="volume">2</span>:<span class="fpage">1</span> </span> </li> </ul>
Note: Citation resource (_:arcccdfb1 in the above graph) is optional, i.e. article-to-article citation is represented without it. However, it can also describe
Some terms in the example (e.g. schema:hasCitation, schema:Citation and schema:reference) are just experimental and not yet defined in schema.org.