| APA | HHWN. (2012, February 14). In Acronym Geek. Retrieved 20:54, February 14, 2012, from http://www.acronymgeek.com/HHWN |
| MLA | "HHWN." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HHWN>. |
| MHRA | 'HHWN', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HHWN> [accessed 14 February 2012] |
| Chicago | "HHWN", http://www.acronymgeek.com/HHWN (accessed February 14, 2012). |
| CBE/CSE | HHWN [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HHWN. |
| Bluebook | HHWN, http://www.acronymgeek.com/HHWN (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HHWN, http://www.acronymgeek.com/HHWN (optional description here) (as of Feb. 14, 2012, 20:54). |
| AMA | HHWN. Acronym Geek. February 14, 2012, 20:54. Available at: http://www.acronymgeek.com/HHWN. Accessed February 14, 2012, 20:54. |