Web site: no author, no date of publication
If there is no author, title moves to the first spot. Use retrieval date only because the content at that address likely changes:
Research initiatives. (n.d.). Retrieved January 11, 2007, from MIT, Comparative Media Studies website, http://cms.mit.edu/research/index.php
Title of webpage. (n.d.) Retrieved Date of retrieval, from Organization, Website title, URL
Online discussion list
Kahn, S. (2009, September 5). Re: Composition-rhetoric labor caucus [electronic mailing list message]. Retrieved from h-rhetor mailing list, http://h-net.msu.edu/cgi-bin/logbrowse.pl?trx=lm&list=h-rhetor
Author last name, First initial. (Year, Month Day published). Title [electronic mailing list message]. Retrieved from Online discussion list name, URL
Blog Posting
Lopez-Duran, N. (2009, August 27). Re: Gender and age differences in the symptomatology of child depression [Web log message]. Retrieved from Child Psychology Research Blog, http://www.child-psych.org/
Author last name, First initial. (Year, Month Day published). Title of blog posting [Web log message]. Retrieved from Blog name, URL
Email: (falls under the APA category of personal communications)
Personal communications should not be included in your reference list.
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