| APA | OTPJ. (2012, February 15). In Acronym Geek. Retrieved 00:45, February 15, 2012, from http://www.acronymgeek.com/OTPJ |
| MLA | "OTPJ." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OTPJ>. |
| MHRA | 'OTPJ', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OTPJ> [accessed 15 February 2012] |
| Chicago | "OTPJ", http://www.acronymgeek.com/OTPJ (accessed February 15, 2012). |
| CBE/CSE | OTPJ [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OTPJ. |
| Bluebook | OTPJ, http://www.acronymgeek.com/OTPJ (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OTPJ, http://www.acronymgeek.com/OTPJ (optional description here) (as of Feb. 15, 2012, 00:45). |
| AMA | OTPJ. Acronym Geek. February 15, 2012, 00:45. Available at: http://www.acronymgeek.com/OTPJ. Accessed February 15, 2012, 00:45. |