| APA | ONZN. (2012, February 16). In Acronym Geek. Retrieved 23:47, February 16, 2012, from http://www.acronymgeek.com/ONZN |
| MLA | "ONZN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ONZN>. |
| MHRA | 'ONZN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ONZN> [accessed 16 February 2012] |
| Chicago | "ONZN", http://www.acronymgeek.com/ONZN (accessed February 16, 2012). |
| CBE/CSE | ONZN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ONZN. |
| Bluebook | ONZN, http://www.acronymgeek.com/ONZN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ONZN, http://www.acronymgeek.com/ONZN (optional description here) (as of Feb. 16, 2012, 23:47). |
| AMA | ONZN. Acronym Geek. February 16, 2012, 23:47. Available at: http://www.acronymgeek.com/ONZN. Accessed February 16, 2012, 23:47. |