| APA | PKQS. (2012, February 14). In Acronym Geek. Retrieved 21:06, February 14, 2012, from http://www.acronymgeek.com/PKQS |
| MLA | "PKQS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PKQS>. |
| MHRA | 'PKQS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PKQS> [accessed 14 February 2012] |
| Chicago | "PKQS", http://www.acronymgeek.com/PKQS (accessed February 14, 2012). |
| CBE/CSE | PKQS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PKQS. |
| Bluebook | PKQS, http://www.acronymgeek.com/PKQS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PKQS, http://www.acronymgeek.com/PKQS (optional description here) (as of Feb. 14, 2012, 21:06). |
| AMA | PKQS. Acronym Geek. February 14, 2012, 21:06. Available at: http://www.acronymgeek.com/PKQS. Accessed February 14, 2012, 21:06. |