Message posted to an online forum or mailing list [from Electronic source using APA 6th ed.]
Add [Online forum comment] after the title. No message identifier required. If it is a posting to an online mailing list add [Electronic mailing list message]. Note also the Re: before the subject, and that "Posted to" has been replaced with the more usual "Retrieved from".
Author, Initials. (year, month day). Re: Subject line of the message [Online forum comment] or[Electronic mailing list message]. Retrieved from web address
Electronic mailing list
Couper, P. (2006, September 26). Re: Discussion on fieldwork safety training in HE [Electronic mailing list message]. Retrieved from http://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=ind0609&L=fieldwork-safety&T=0&F=&S=&P=63
Newsgroup, online forum or discussion group
Ullrich, D. (2002, December 19). Re: What is Functional Analysis useful for? [Online forum comment]. Retreived from http://groups.google.co.uk/group/sci.math/browse_thread/thread/5aa9a9f78767ceb0/72b860475a2
Citation in Text
Safety is not to be taken lightly (Couper, 2006) but it is necessary ...
The absolutist approach to SATs (Simons, 2000) leads to the rapid devaluation ...
... as stated by Ulrich (2002) there is no need to ...
- If no date appears on the item you are trying to reference, insert (n.d.) where you would normally give the year.