| APA | HITO. (2012, February 15). In Acronym Geek. Retrieved 08:05, February 15, 2012, from http://www.acronymgeek.com/HITO |
| MLA | "HITO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HITO>. |
| MHRA | 'HITO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HITO> [accessed 15 February 2012] |
| Chicago | "HITO", http://www.acronymgeek.com/HITO (accessed February 15, 2012). |
| CBE/CSE | HITO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HITO. |
| Bluebook | HITO, http://www.acronymgeek.com/HITO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HITO, http://www.acronymgeek.com/HITO (optional description here) (as of Feb. 15, 2012, 08:05). |
| AMA | HITO. Acronym Geek. February 15, 2012, 08:05. Available at: http://www.acronymgeek.com/HITO. Accessed February 15, 2012, 08:05. |