| APA | M.O.. (2012, February 10). In Acronym Geek. Retrieved 17:48, February 10, 2012, from http://www.acronymgeek.com/M.O. |
| MLA | "M.O.." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/M.O.>. |
| MHRA | 'M.O.', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/M.O.> [accessed 10 February 2012] |
| Chicago | "M.O.", http://www.acronymgeek.com/M.O. (accessed February 10, 2012). |
| CBE/CSE | M.O. [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/M.O.. |
| Bluebook | M.O., http://www.acronymgeek.com/M.O. (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, M.O., http://www.acronymgeek.com/M.O. (optional description here) (as of Feb. 10, 2012, 17:48). |
| AMA | M.O.. Acronym Geek. February 10, 2012, 17:48. Available at: http://www.acronymgeek.com/M.O.. Accessed February 10, 2012, 17:48. |