APA Style (7th ed.)
Lastname, A. OR Username. (year, Month day). Comment title OR up to the first 20 words of comment.[Comment on the post "Title of blog post"]. Title of Blog. Direct URL to blog post if possible
- In-text citation: (Lastname OR Username, year)
- "Credit the person who left the comment as the author using the format that appears with the comment (i.e., a real name or username)" (American Psychological Association, 2020, p. 320).
See Blog Post and Blog Comment References in the APA Style Blog for example references.
Reference
American Psychological Association. (2020). Publication manual of the American Psychological Association (7th ed.). https://doi.org/10.1037/0000165-000