| APA | HHWL. (2012, February 16). In Acronym Geek. Retrieved 23:00, February 16, 2012, from http://www.acronymgeek.com/HHWL |
| MLA | "HHWL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HHWL>. |
| MHRA | 'HHWL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HHWL> [accessed 16 February 2012] |
| Chicago | "HHWL", http://www.acronymgeek.com/HHWL (accessed February 16, 2012). |
| CBE/CSE | HHWL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HHWL. |
| Bluebook | HHWL, http://www.acronymgeek.com/HHWL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HHWL, http://www.acronymgeek.com/HHWL (optional description here) (as of Feb. 16, 2012, 23:00). |
| AMA | HHWL. Acronym Geek. February 16, 2012, 23:00. Available at: http://www.acronymgeek.com/HHWL. Accessed February 16, 2012, 23:00. |