| APA | OZH. (2012, February 14). In Acronym Geek. Retrieved 11:29, February 14, 2012, from http://www.acronymgeek.com/OZH |
| MLA | "OZH." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/OZH>. |
| MHRA | 'OZH', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/OZH> [accessed 14 February 2012] |
| Chicago | "OZH", http://www.acronymgeek.com/OZH (accessed February 14, 2012). |
| CBE/CSE | OZH [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/OZH. |
| Bluebook | OZH, http://www.acronymgeek.com/OZH (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OZH, http://www.acronymgeek.com/OZH (optional description here) (as of Feb. 14, 2012, 11:29). |
| AMA | OZH. Acronym Geek. February 14, 2012, 11:29. Available at: http://www.acronymgeek.com/OZH. Accessed February 14, 2012, 11:29. |