| APA | OIPJ. (2012, February 16). In Acronym Geek. Retrieved 05:43, February 16, 2012, from http://www.acronymgeek.com/OIPJ |
| MLA | "OIPJ." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OIPJ>. |
| MHRA | 'OIPJ', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OIPJ> [accessed 16 February 2012] |
| Chicago | "OIPJ", http://www.acronymgeek.com/OIPJ (accessed February 16, 2012). |
| CBE/CSE | OIPJ [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OIPJ. |
| Bluebook | OIPJ, http://www.acronymgeek.com/OIPJ (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OIPJ, http://www.acronymgeek.com/OIPJ (optional description here) (as of Feb. 16, 2012, 05:43). |
| AMA | OIPJ. Acronym Geek. February 16, 2012, 05:43. Available at: http://www.acronymgeek.com/OIPJ. Accessed February 16, 2012, 05:43. |