| APA | ABCD. (2012, February 17). In Acronym Geek. Retrieved 02:16, February 17, 2012, from http://www.acronymgeek.com/ABCD |
| MLA | "ABCD." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/ABCD>. |
| MHRA | 'ABCD', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/ABCD> [accessed 17 February 2012] |
| Chicago | "ABCD", http://www.acronymgeek.com/ABCD (accessed February 17, 2012). |
| CBE/CSE | ABCD [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/ABCD. |
| Bluebook | ABCD, http://www.acronymgeek.com/ABCD (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ABCD, http://www.acronymgeek.com/ABCD (optional description here) (as of Feb. 17, 2012, 02:16). |
| AMA | ABCD. Acronym Geek. February 17, 2012, 02:16. Available at: http://www.acronymgeek.com/ABCD. Accessed February 17, 2012, 02:16. |