| APA | HHWH. (2012, February 16). In Acronym Geek. Retrieved 02:56, February 16, 2012, from http://www.acronymgeek.com/HHWH |
| MLA | "HHWH." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HHWH>. |
| MHRA | 'HHWH', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HHWH> [accessed 16 February 2012] |
| Chicago | "HHWH", http://www.acronymgeek.com/HHWH (accessed February 16, 2012). |
| CBE/CSE | HHWH [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HHWH. |
| Bluebook | HHWH, http://www.acronymgeek.com/HHWH (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HHWH, http://www.acronymgeek.com/HHWH (optional description here) (as of Feb. 16, 2012, 02:56). |
| AMA | HHWH. Acronym Geek. February 16, 2012, 02:56. Available at: http://www.acronymgeek.com/HHWH. Accessed February 16, 2012, 02:56. |