| APA | A.D.. (2012, February 10). In Acronym Geek. Retrieved 12:03, February 10, 2012, from http://www.acronymgeek.com/A.D. |
| MLA | "A.D.." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/A.D.>. |
| MHRA | 'A.D.', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/A.D.> [accessed 10 February 2012] |
| Chicago | "A.D.", http://www.acronymgeek.com/A.D. (accessed February 10, 2012). |
| CBE/CSE | A.D. [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/A.D.. |
| Bluebook | A.D., http://www.acronymgeek.com/A.D. (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, A.D., http://www.acronymgeek.com/A.D. (optional description here) (as of Feb. 10, 2012, 12:03). |
| AMA | A.D.. Acronym Geek. February 10, 2012, 12:03. Available at: http://www.acronymgeek.com/A.D.. Accessed February 10, 2012, 12:03. |