| APA | UPAY. (2012, February 15). In Acronym Geek. Retrieved 13:12, February 15, 2012, from http://www.acronymgeek.com/UPAY |
| MLA | "UPAY." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/UPAY>. |
| MHRA | 'UPAY', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/UPAY> [accessed 15 February 2012] |
| Chicago | "UPAY", http://www.acronymgeek.com/UPAY (accessed February 15, 2012). |
| CBE/CSE | UPAY [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/UPAY. |
| Bluebook | UPAY, http://www.acronymgeek.com/UPAY (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UPAY, http://www.acronymgeek.com/UPAY (optional description here) (as of Feb. 15, 2012, 13:12). |
| AMA | UPAY. Acronym Geek. February 15, 2012, 13:12. Available at: http://www.acronymgeek.com/UPAY. Accessed February 15, 2012, 13:12. |