| APA | HAHL. (2012, February 16). In Acronym Geek. Retrieved 03:27, February 16, 2012, from http://www.acronymgeek.com/HAHL |
| MLA | "HAHL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HAHL>. |
| MHRA | 'HAHL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HAHL> [accessed 16 February 2012] |
| Chicago | "HAHL", http://www.acronymgeek.com/HAHL (accessed February 16, 2012). |
| CBE/CSE | HAHL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HAHL. |
| Bluebook | HAHL, http://www.acronymgeek.com/HAHL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HAHL, http://www.acronymgeek.com/HAHL (optional description here) (as of Feb. 16, 2012, 03:27). |
| AMA | HAHL. Acronym Geek. February 16, 2012, 03:27. Available at: http://www.acronymgeek.com/HAHL. Accessed February 16, 2012, 03:27. |