| APA | POSK. (2012, February 14). In Acronym Geek. Retrieved 20:04, February 14, 2012, from http://www.acronymgeek.com/POSK |
| MLA | "POSK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/POSK>. |
| MHRA | 'POSK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/POSK> [accessed 14 February 2012] |
| Chicago | "POSK", http://www.acronymgeek.com/POSK (accessed February 14, 2012). |
| CBE/CSE | POSK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/POSK. |
| Bluebook | POSK, http://www.acronymgeek.com/POSK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, POSK, http://www.acronymgeek.com/POSK (optional description here) (as of Feb. 14, 2012, 20:04). |
| AMA | POSK. Acronym Geek. February 14, 2012, 20:04. Available at: http://www.acronymgeek.com/POSK. Accessed February 14, 2012, 20:04. |