| APA | USPU. (2012, February 15). In Acronym Geek. Retrieved 23:04, February 15, 2012, from http://www.acronymgeek.com/USPU |
| MLA | "USPU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/USPU>. |
| MHRA | 'USPU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/USPU> [accessed 15 February 2012] |
| Chicago | "USPU", http://www.acronymgeek.com/USPU (accessed February 15, 2012). |
| CBE/CSE | USPU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/USPU. |
| Bluebook | USPU, http://www.acronymgeek.com/USPU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, USPU, http://www.acronymgeek.com/USPU (optional description here) (as of Feb. 15, 2012, 23:04). |
| AMA | USPU. Acronym Geek. February 15, 2012, 23:04. Available at: http://www.acronymgeek.com/USPU. Accessed February 15, 2012, 23:04. |