| APA | UPSN. (2012, February 15). In Acronym Geek. Retrieved 13:27, February 15, 2012, from http://www.acronymgeek.com/UPSN |
| MLA | "UPSN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/UPSN>. |
| MHRA | 'UPSN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/UPSN> [accessed 15 February 2012] |
| Chicago | "UPSN", http://www.acronymgeek.com/UPSN (accessed February 15, 2012). |
| CBE/CSE | UPSN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/UPSN. |
| Bluebook | UPSN, http://www.acronymgeek.com/UPSN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UPSN, http://www.acronymgeek.com/UPSN (optional description here) (as of Feb. 15, 2012, 13:27). |
| AMA | UPSN. Acronym Geek. February 15, 2012, 13:27. Available at: http://www.acronymgeek.com/UPSN. Accessed February 15, 2012, 13:27. |