| APA | P4Q. (2012, February 14). In Acronym Geek. Retrieved 19:37, February 14, 2012, from http://www.acronymgeek.com/P4Q |
| MLA | "P4Q." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/P4Q>. |
| MHRA | 'P4Q', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/P4Q> [accessed 14 February 2012] |
| Chicago | "P4Q", http://www.acronymgeek.com/P4Q (accessed February 14, 2012). |
| CBE/CSE | P4Q [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/P4Q. |
| Bluebook | P4Q, http://www.acronymgeek.com/P4Q (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, P4Q, http://www.acronymgeek.com/P4Q (optional description here) (as of Feb. 14, 2012, 19:37). |
| AMA | P4Q. Acronym Geek. February 14, 2012, 19:37. Available at: http://www.acronymgeek.com/P4Q. Accessed February 14, 2012, 19:37. |