| APA | UPAL. (2012, February 12). In Acronym Geek. Retrieved 10:21, February 12, 2012, from http://www.acronymgeek.com/UPAL |
| MLA | "UPAL." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/UPAL>. |
| MHRA | 'UPAL', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/UPAL> [accessed 12 February 2012] |
| Chicago | "UPAL", http://www.acronymgeek.com/UPAL (accessed February 12, 2012). |
| CBE/CSE | UPAL [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/UPAL. |
| Bluebook | UPAL, http://www.acronymgeek.com/UPAL (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UPAL, http://www.acronymgeek.com/UPAL (optional description here) (as of Feb. 12, 2012, 10:21). |
| AMA | UPAL. Acronym Geek. February 12, 2012, 10:21. Available at: http://www.acronymgeek.com/UPAL. Accessed February 12, 2012, 10:21. |