| APA | PSK. (2012, February 14). In Acronym Geek. Retrieved 20:47, February 14, 2012, from http://www.acronymgeek.com/PSK |
| MLA | "PSK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PSK>. |
| MHRA | 'PSK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PSK> [accessed 14 February 2012] |
| Chicago | "PSK", http://www.acronymgeek.com/PSK (accessed February 14, 2012). |
| CBE/CSE | PSK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PSK. |
| Bluebook | PSK, http://www.acronymgeek.com/PSK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PSK, http://www.acronymgeek.com/PSK (optional description here) (as of Feb. 14, 2012, 20:47). |
| AMA | PSK. Acronym Geek. February 14, 2012, 20:47. Available at: http://www.acronymgeek.com/PSK. Accessed February 14, 2012, 20:47. |