| APA | PJ. (2012, February 8). In Acronym Geek. Retrieved 19:45, February 8, 2012, from http://www.acronymgeek.com/PJ |
| MLA | "PJ." Acronym Geek. (2012). Acronym Geek. 8 Feb 2012 <http://www.acronymgeek.com/PJ>. |
| MHRA | 'PJ', Acronym Geek, 8 February 2012, <http://www.acronymgeek.com/PJ> [accessed 8 February 2012] |
| Chicago | "PJ", http://www.acronymgeek.com/PJ (accessed February 8, 2012). |
| CBE/CSE | PJ [Internet]. Acronym Geek; 2012 Feb 8 [cited 2012 Feb 8]. Available from: http://www.acronymgeek.com/PJ. |
| Bluebook | PJ, http://www.acronymgeek.com/PJ (last visited February 8, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PJ, http://www.acronymgeek.com/PJ (optional description here) (as of Feb. 8, 2012, 19:45). |
| AMA | PJ. Acronym Geek. February 8, 2012, 19:45. Available at: http://www.acronymgeek.com/PJ. Accessed February 8, 2012, 19:45. |