| APA | HOH. (2012, February 10). In Acronym Geek. Retrieved 10:51, February 10, 2012, from http://www.acronymgeek.com/HOH |
| MLA | "HOH." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/HOH>. |
| MHRA | 'HOH', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/HOH> [accessed 10 February 2012] |
| Chicago | "HOH", http://www.acronymgeek.com/HOH (accessed February 10, 2012). |
| CBE/CSE | HOH [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/HOH. |
| Bluebook | HOH, http://www.acronymgeek.com/HOH (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HOH, http://www.acronymgeek.com/HOH (optional description here) (as of Feb. 10, 2012, 10:51). |
| AMA | HOH. Acronym Geek. February 10, 2012, 10:51. Available at: http://www.acronymgeek.com/HOH. Accessed February 10, 2012, 10:51. |