| APA | USPY. (2012, February 17). In Acronym Geek. Retrieved 07:44, February 17, 2012, from http://www.acronymgeek.com/USPY |
| MLA | "USPY." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/USPY>. |
| MHRA | 'USPY', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/USPY> [accessed 17 February 2012] |
| Chicago | "USPY", http://www.acronymgeek.com/USPY (accessed February 17, 2012). |
| CBE/CSE | USPY [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/USPY. |
| Bluebook | USPY, http://www.acronymgeek.com/USPY (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, USPY, http://www.acronymgeek.com/USPY (optional description here) (as of Feb. 17, 2012, 07:44). |
| AMA | USPY. Acronym Geek. February 17, 2012, 07:44. Available at: http://www.acronymgeek.com/USPY. Accessed February 17, 2012, 07:44. |