| APA | HAHG. (2012, February 16). In Acronym Geek. Retrieved 07:04, February 16, 2012, from http://www.acronymgeek.com/HAHG |
| MLA | "HAHG." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HAHG>. |
| MHRA | 'HAHG', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HAHG> [accessed 16 February 2012] |
| Chicago | "HAHG", http://www.acronymgeek.com/HAHG (accessed February 16, 2012). |
| CBE/CSE | HAHG [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HAHG. |
| Bluebook | HAHG, http://www.acronymgeek.com/HAHG (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HAHG, http://www.acronymgeek.com/HAHG (optional description here) (as of Feb. 16, 2012, 07:04). |
| AMA | HAHG. Acronym Geek. February 16, 2012, 07:04. Available at: http://www.acronymgeek.com/HAHG. Accessed February 16, 2012, 07:04. |