Document the screen name of the blog at the beginning of your citation followed by the date of the post in parentheses: Physical Therapy Connections Blog. (2011, July 22).
Include the title of the blog topic comment next, and designate it as a blog comment in brackets: Physical Therapy Connections Blog. (2011, July 22). Medicare Reimbursement. [Blog comment #26]. Include any identification number associated with the comment inside the bracket as well, particularly if a title is not available.
Add the website address that the comment was retrieved from at the end of the citation: Physical Therapy Connections Blog. (2011, July 22). Medicare Reimbursement. [Blog comment]. Retrieved from http://www.phystherconnect.com/blog