| APA | PSPK. (2012, February 15). In Acronym Geek. Retrieved 05:00, February 15, 2012, from http://www.acronymgeek.com/PSPK |
| MLA | "PSPK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PSPK>. |
| MHRA | 'PSPK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PSPK> [accessed 15 February 2012] |
| Chicago | "PSPK", http://www.acronymgeek.com/PSPK (accessed February 15, 2012). |
| CBE/CSE | PSPK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PSPK. |
| Bluebook | PSPK, http://www.acronymgeek.com/PSPK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PSPK, http://www.acronymgeek.com/PSPK (optional description here) (as of Feb. 15, 2012, 05:00). |
| AMA | PSPK. Acronym Geek. February 15, 2012, 05:00. Available at: http://www.acronymgeek.com/PSPK. Accessed February 15, 2012, 05:00. |