| APA | OZN. (2012, February 14). In Acronym Geek. Retrieved 08:02, February 14, 2012, from http://www.acronymgeek.com/OZN |
| MLA | "OZN." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/OZN>. |
| MHRA | 'OZN', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/OZN> [accessed 14 February 2012] |
| Chicago | "OZN", http://www.acronymgeek.com/OZN (accessed February 14, 2012). |
| CBE/CSE | OZN [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/OZN. |
| Bluebook | OZN, http://www.acronymgeek.com/OZN (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OZN, http://www.acronymgeek.com/OZN (optional description here) (as of Feb. 14, 2012, 08:02). |
| AMA | OZN. Acronym Geek. February 14, 2012, 08:02. Available at: http://www.acronymgeek.com/OZN. Accessed February 14, 2012, 08:02. |