| APA | UPBL. (2012, February 14). In Acronym Geek. Retrieved 16:57, February 14, 2012, from http://www.acronymgeek.com/UPBL |
| MLA | "UPBL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/UPBL>. |
| MHRA | 'UPBL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/UPBL> [accessed 14 February 2012] |
| Chicago | "UPBL", http://www.acronymgeek.com/UPBL (accessed February 14, 2012). |
| CBE/CSE | UPBL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/UPBL. |
| Bluebook | UPBL, http://www.acronymgeek.com/UPBL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UPBL, http://www.acronymgeek.com/UPBL (optional description here) (as of Feb. 14, 2012, 16:57). |
| AMA | UPBL. Acronym Geek. February 14, 2012, 16:57. Available at: http://www.acronymgeek.com/UPBL. Accessed February 14, 2012, 16:57. |