| APA | HOWF. (2012, February 16). In Acronym Geek. Retrieved 09:00, February 16, 2012, from http://www.acronymgeek.com/HOWF |
| MLA | "HOWF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HOWF>. |
| MHRA | 'HOWF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HOWF> [accessed 16 February 2012] |
| Chicago | "HOWF", http://www.acronymgeek.com/HOWF (accessed February 16, 2012). |
| CBE/CSE | HOWF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HOWF. |
| Bluebook | HOWF, http://www.acronymgeek.com/HOWF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HOWF, http://www.acronymgeek.com/HOWF (optional description here) (as of Feb. 16, 2012, 09:00). |
| AMA | HOWF. Acronym Geek. February 16, 2012, 09:00. Available at: http://www.acronymgeek.com/HOWF. Accessed February 16, 2012, 09:00. |