| APA | HTOF. (2012, February 14). In Acronym Geek. Retrieved 14:19, February 14, 2012, from http://www.acronymgeek.com/HTOF |
| MLA | "HTOF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HTOF>. |
| MHRA | 'HTOF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HTOF> [accessed 14 February 2012] |
| Chicago | "HTOF", http://www.acronymgeek.com/HTOF (accessed February 14, 2012). |
| CBE/CSE | HTOF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HTOF. |
| Bluebook | HTOF, http://www.acronymgeek.com/HTOF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTOF, http://www.acronymgeek.com/HTOF (optional description here) (as of Feb. 14, 2012, 14:19). |
| AMA | HTOF. Acronym Geek. February 14, 2012, 14:19. Available at: http://www.acronymgeek.com/HTOF. Accessed February 14, 2012, 14:19. |