citation-style-language/styles — pull request #437 by anacronismo (2013-03-23 21:03:32+00:00)
Title: Update apa.csl

Include "entry-encyclopedia" under "accessed" for inclusion of date accessed in the cases of wiki sites.

For examplee see http://blog.apastyle.org/apastyle/2009/10/how-to-cite-wikipedia-in-apa-style.html