| APA | UPSK. (2012, February 16). In Acronym Geek. Retrieved 19:27, February 16, 2012, from http://www.acronymgeek.com/UPSK |
| MLA | "UPSK." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/UPSK>. |
| MHRA | 'UPSK', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/UPSK> [accessed 16 February 2012] |
| Chicago | "UPSK", http://www.acronymgeek.com/UPSK (accessed February 16, 2012). |
| CBE/CSE | UPSK [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/UPSK. |
| Bluebook | UPSK, http://www.acronymgeek.com/UPSK (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UPSK, http://www.acronymgeek.com/UPSK (optional description here) (as of Feb. 16, 2012, 19:27). |
| AMA | UPSK. Acronym Geek. February 16, 2012, 19:27. Available at: http://www.acronymgeek.com/UPSK. Accessed February 16, 2012, 19:27. |