| APA | MPY. (2012, February 11). In Acronym Geek. Retrieved 22:51, February 11, 2012, from http://www.acronymgeek.com/MPY |
| MLA | "MPY." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/MPY>. |
| MHRA | 'MPY', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/MPY> [accessed 11 February 2012] |
| Chicago | "MPY", http://www.acronymgeek.com/MPY (accessed February 11, 2012). |
| CBE/CSE | MPY [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/MPY. |
| Bluebook | MPY, http://www.acronymgeek.com/MPY (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, MPY, http://www.acronymgeek.com/MPY (optional description here) (as of Feb. 11, 2012, 22:51). |
| AMA | MPY. Acronym Geek. February 11, 2012, 22:51. Available at: http://www.acronymgeek.com/MPY. Accessed February 11, 2012, 22:51. |