| APA | OYPM. (2012, February 16). In Acronym Geek. Retrieved 08:43, February 16, 2012, from http://www.acronymgeek.com/OYPM |
| MLA | "OYPM." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OYPM>. |
| MHRA | 'OYPM', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OYPM> [accessed 16 February 2012] |
| Chicago | "OYPM", http://www.acronymgeek.com/OYPM (accessed February 16, 2012). |
| CBE/CSE | OYPM [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OYPM. |
| Bluebook | OYPM, http://www.acronymgeek.com/OYPM (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OYPM, http://www.acronymgeek.com/OYPM (optional description here) (as of Feb. 16, 2012, 08:43). |
| AMA | OYPM. Acronym Geek. February 16, 2012, 08:43. Available at: http://www.acronymgeek.com/OYPM. Accessed February 16, 2012, 08:43. |