| APA | HAHU. (2012, February 14). In Acronym Geek. Retrieved 18:14, February 14, 2012, from http://www.acronymgeek.com/HAHU |
| MLA | "HAHU." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HAHU>. |
| MHRA | 'HAHU', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HAHU> [accessed 14 February 2012] |
| Chicago | "HAHU", http://www.acronymgeek.com/HAHU (accessed February 14, 2012). |
| CBE/CSE | HAHU [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HAHU. |
| Bluebook | HAHU, http://www.acronymgeek.com/HAHU (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HAHU, http://www.acronymgeek.com/HAHU (optional description here) (as of Feb. 14, 2012, 18:14). |
| AMA | HAHU. Acronym Geek. February 14, 2012, 18:14. Available at: http://www.acronymgeek.com/HAHU. Accessed February 14, 2012, 18:14. |