| APA | ABO HDN. (2012, February 12). In Acronym Geek. Retrieved 07:53, February 12, 2012, from http://www.acronymgeek.com/ABO HDN |
| MLA | "ABO HDN." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/ABO HDN>. |
| MHRA | 'ABO HDN', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/ABO HDN> [accessed 12 February 2012] |
| Chicago | "ABO HDN", http://www.acronymgeek.com/ABO HDN (accessed February 12, 2012). |
| CBE/CSE | ABO HDN [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/ABO HDN. |
| Bluebook | ABO HDN, http://www.acronymgeek.com/ABO HDN (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ABO HDN, http://www.acronymgeek.com/ABO HDN (optional description here) (as of Feb. 12, 2012, 07:53). |
| AMA | ABO HDN. Acronym Geek. February 12, 2012, 07:53. Available at: http://www.acronymgeek.com/ABO HDN. Accessed February 12, 2012, 07:53. |