| APA | MPEO. (2012, February 14). In Acronym Geek. Retrieved 23:26, February 14, 2012, from http://www.acronymgeek.com/MPEO |
| MLA | "MPEO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/MPEO>. |
| MHRA | 'MPEO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/MPEO> [accessed 14 February 2012] |
| Chicago | "MPEO", http://www.acronymgeek.com/MPEO (accessed February 14, 2012). |
| CBE/CSE | MPEO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/MPEO. |
| Bluebook | MPEO, http://www.acronymgeek.com/MPEO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, MPEO, http://www.acronymgeek.com/MPEO (optional description here) (as of Feb. 14, 2012, 23:26). |
| AMA | MPEO. Acronym Geek. February 14, 2012, 23:26. Available at: http://www.acronymgeek.com/MPEO. Accessed February 14, 2012, 23:26. |