| APA | ZMO. (2012, February 13). In Acronym Geek. Retrieved 23:36, February 13, 2012, from http://www.acronymgeek.com/ZMO |
| MLA | "ZMO." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/ZMO>. |
| MHRA | 'ZMO', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/ZMO> [accessed 13 February 2012] |
| Chicago | "ZMO", http://www.acronymgeek.com/ZMO (accessed February 13, 2012). |
| CBE/CSE | ZMO [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/ZMO. |
| Bluebook | ZMO, http://www.acronymgeek.com/ZMO (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZMO, http://www.acronymgeek.com/ZMO (optional description here) (as of Feb. 13, 2012, 23:36). |
| AMA | ZMO. Acronym Geek. February 13, 2012, 23:36. Available at: http://www.acronymgeek.com/ZMO. Accessed February 13, 2012, 23:36. |