| APA | HAHH. (2012, February 17). In Acronym Geek. Retrieved 02:25, February 17, 2012, from http://www.acronymgeek.com/HAHH |
| MLA | "HAHH." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/HAHH>. |
| MHRA | 'HAHH', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/HAHH> [accessed 17 February 2012] |
| Chicago | "HAHH", http://www.acronymgeek.com/HAHH (accessed February 17, 2012). |
| CBE/CSE | HAHH [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/HAHH. |
| Bluebook | HAHH, http://www.acronymgeek.com/HAHH (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HAHH, http://www.acronymgeek.com/HAHH (optional description here) (as of Feb. 17, 2012, 02:25). |
| AMA | HAHH. Acronym Geek. February 17, 2012, 02:25. Available at: http://www.acronymgeek.com/HAHH. Accessed February 17, 2012, 02:25. |