| APA | HHGQ. (2012, February 16). In Acronym Geek. Retrieved 22:41, February 16, 2012, from http://www.acronymgeek.com/HHGQ |
| MLA | "HHGQ." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HHGQ>. |
| MHRA | 'HHGQ', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HHGQ> [accessed 16 February 2012] |
| Chicago | "HHGQ", http://www.acronymgeek.com/HHGQ (accessed February 16, 2012). |
| CBE/CSE | HHGQ [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HHGQ. |
| Bluebook | HHGQ, http://www.acronymgeek.com/HHGQ (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HHGQ, http://www.acronymgeek.com/HHGQ (optional description here) (as of Feb. 16, 2012, 22:41). |
| AMA | HHGQ. Acronym Geek. February 16, 2012, 22:41. Available at: http://www.acronymgeek.com/HHGQ. Accessed February 16, 2012, 22:41. |