| APA | HTOU. (2012, February 16). In Acronym Geek. Retrieved 21:51, February 16, 2012, from http://www.acronymgeek.com/HTOU |
| MLA | "HTOU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HTOU>. |
| MHRA | 'HTOU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HTOU> [accessed 16 February 2012] |
| Chicago | "HTOU", http://www.acronymgeek.com/HTOU (accessed February 16, 2012). |
| CBE/CSE | HTOU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HTOU. |
| Bluebook | HTOU, http://www.acronymgeek.com/HTOU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTOU, http://www.acronymgeek.com/HTOU (optional description here) (as of Feb. 16, 2012, 21:51). |
| AMA | HTOU. Acronym Geek. February 16, 2012, 21:51. Available at: http://www.acronymgeek.com/HTOU. Accessed February 16, 2012, 21:51. |