| APA | OZOS. (2012, February 15). In Acronym Geek. Retrieved 16:32, February 15, 2012, from http://www.acronymgeek.com/OZOS |
| MLA | "OZOS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OZOS>. |
| MHRA | 'OZOS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OZOS> [accessed 15 February 2012] |
| Chicago | "OZOS", http://www.acronymgeek.com/OZOS (accessed February 15, 2012). |
| CBE/CSE | OZOS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OZOS. |
| Bluebook | OZOS, http://www.acronymgeek.com/OZOS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OZOS, http://www.acronymgeek.com/OZOS (optional description here) (as of Feb. 15, 2012, 16:32). |
| AMA | OZOS. Acronym Geek. February 15, 2012, 16:32. Available at: http://www.acronymgeek.com/OZOS. Accessed February 15, 2012, 16:32. |