| APA | PMO. (2012, February 6). In Acronym Geek. Retrieved 23:27, February 6, 2012, from http://www.acronymgeek.com/PMO |
| MLA | "PMO." Acronym Geek. (2012). Acronym Geek. 6 Feb 2012 <http://www.acronymgeek.com/PMO>. |
| MHRA | 'PMO', Acronym Geek, 6 February 2012, <http://www.acronymgeek.com/PMO> [accessed 6 February 2012] |
| Chicago | "PMO", http://www.acronymgeek.com/PMO (accessed February 6, 2012). |
| CBE/CSE | PMO [Internet]. Acronym Geek; 2012 Feb 6 [cited 2012 Feb 6]. Available from: http://www.acronymgeek.com/PMO. |
| Bluebook | PMO, http://www.acronymgeek.com/PMO (last visited February 6, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PMO, http://www.acronymgeek.com/PMO (optional description here) (as of Feb. 6, 2012, 23:27). |
| AMA | PMO. Acronym Geek. February 6, 2012, 23:27. Available at: http://www.acronymgeek.com/PMO. Accessed February 6, 2012, 23:27. |