| APA | ABD. (2012, February 9). In Acronym Geek. Retrieved 13:07, February 9, 2012, from http://www.acronymgeek.com/ABD |
| MLA | "ABD." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/ABD>. |
| MHRA | 'ABD', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/ABD> [accessed 9 February 2012] |
| Chicago | "ABD", http://www.acronymgeek.com/ABD (accessed February 9, 2012). |
| CBE/CSE | ABD [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/ABD. |
| Bluebook | ABD, http://www.acronymgeek.com/ABD (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ABD, http://www.acronymgeek.com/ABD (optional description here) (as of Feb. 9, 2012, 13:07). |
| AMA | ABD. Acronym Geek. February 9, 2012, 13:07. Available at: http://www.acronymgeek.com/ABD. Accessed February 9, 2012, 13:07. |