| APA | HAHS. (2012, February 16). In Acronym Geek. Retrieved 07:25, February 16, 2012, from http://www.acronymgeek.com/HAHS |
| MLA | "HAHS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HAHS>. |
| MHRA | 'HAHS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HAHS> [accessed 16 February 2012] |
| Chicago | "HAHS", http://www.acronymgeek.com/HAHS (accessed February 16, 2012). |
| CBE/CSE | HAHS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HAHS. |
| Bluebook | HAHS, http://www.acronymgeek.com/HAHS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HAHS, http://www.acronymgeek.com/HAHS (optional description here) (as of Feb. 16, 2012, 07:25). |
| AMA | HAHS. Acronym Geek. February 16, 2012, 07:25. Available at: http://www.acronymgeek.com/HAHS. Accessed February 16, 2012, 07:25. |