| APA | PRMO. (2012, February 14). In Acronym Geek. Retrieved 18:10, February 14, 2012, from http://www.acronymgeek.com/PRMO |
| MLA | "PRMO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PRMO>. |
| MHRA | 'PRMO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PRMO> [accessed 14 February 2012] |
| Chicago | "PRMO", http://www.acronymgeek.com/PRMO (accessed February 14, 2012). |
| CBE/CSE | PRMO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PRMO. |
| Bluebook | PRMO, http://www.acronymgeek.com/PRMO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PRMO, http://www.acronymgeek.com/PRMO (optional description here) (as of Feb. 14, 2012, 18:10). |
| AMA | PRMO. Acronym Geek. February 14, 2012, 18:10. Available at: http://www.acronymgeek.com/PRMO. Accessed February 14, 2012, 18:10. |