| APA | 9P. (2012, February 10). In Acronym Geek. Retrieved 10:43, February 10, 2012, from http://www.acronymgeek.com/9P |
| MLA | "9P." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/9P>. |
| MHRA | '9P', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/9P> [accessed 10 February 2012] |
| Chicago | "9P", http://www.acronymgeek.com/9P (accessed February 10, 2012). |
| CBE/CSE | 9P [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/9P. |
| Bluebook | 9P, http://www.acronymgeek.com/9P (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 9P, http://www.acronymgeek.com/9P (optional description here) (as of Feb. 10, 2012, 10:43). |
| AMA | 9P. Acronym Geek. February 10, 2012, 10:43. Available at: http://www.acronymgeek.com/9P. Accessed February 10, 2012, 10:43. |