| APA | PJAO. (2012, February 16). In Acronym Geek. Retrieved 18:36, February 16, 2012, from http://www.acronymgeek.com/PJAO |
| MLA | "PJAO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PJAO>. |
| MHRA | 'PJAO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PJAO> [accessed 16 February 2012] |
| Chicago | "PJAO", http://www.acronymgeek.com/PJAO (accessed February 16, 2012). |
| CBE/CSE | PJAO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PJAO. |
| Bluebook | PJAO, http://www.acronymgeek.com/PJAO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PJAO, http://www.acronymgeek.com/PJAO (optional description here) (as of Feb. 16, 2012, 18:36). |
| AMA | PJAO. Acronym Geek. February 16, 2012, 18:36. Available at: http://www.acronymgeek.com/PJAO. Accessed February 16, 2012, 18:36. |