| APA | HAWN. (2012, February 15). In Acronym Geek. Retrieved 21:33, February 15, 2012, from http://www.acronymgeek.com/HAWN |
| MLA | "HAWN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HAWN>. |
| MHRA | 'HAWN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HAWN> [accessed 15 February 2012] |
| Chicago | "HAWN", http://www.acronymgeek.com/HAWN (accessed February 15, 2012). |
| CBE/CSE | HAWN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HAWN. |
| Bluebook | HAWN, http://www.acronymgeek.com/HAWN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HAWN, http://www.acronymgeek.com/HAWN (optional description here) (as of Feb. 15, 2012, 21:33). |
| AMA | HAWN. Acronym Geek. February 15, 2012, 21:33. Available at: http://www.acronymgeek.com/HAWN. Accessed February 15, 2012, 21:33. |