| APA | ROPJ. (2012, February 17). In Acronym Geek. Retrieved 04:41, February 17, 2012, from http://www.acronymgeek.com/ROPJ |
| MLA | "ROPJ." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/ROPJ>. |
| MHRA | 'ROPJ', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/ROPJ> [accessed 17 February 2012] |
| Chicago | "ROPJ", http://www.acronymgeek.com/ROPJ (accessed February 17, 2012). |
| CBE/CSE | ROPJ [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/ROPJ. |
| Bluebook | ROPJ, http://www.acronymgeek.com/ROPJ (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ROPJ, http://www.acronymgeek.com/ROPJ (optional description here) (as of Feb. 17, 2012, 04:41). |
| AMA | ROPJ. Acronym Geek. February 17, 2012, 04:41. Available at: http://www.acronymgeek.com/ROPJ. Accessed February 17, 2012, 04:41. |