| APA | UDBL. (2012, February 15). In Acronym Geek. Retrieved 10:40, February 15, 2012, from http://www.acronymgeek.com/UDBL |
| MLA | "UDBL." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/UDBL>. |
| MHRA | 'UDBL', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/UDBL> [accessed 15 February 2012] |
| Chicago | "UDBL", http://www.acronymgeek.com/UDBL (accessed February 15, 2012). |
| CBE/CSE | UDBL [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/UDBL. |
| Bluebook | UDBL, http://www.acronymgeek.com/UDBL (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UDBL, http://www.acronymgeek.com/UDBL (optional description here) (as of Feb. 15, 2012, 10:40). |
| AMA | UDBL. Acronym Geek. February 15, 2012, 10:40. Available at: http://www.acronymgeek.com/UDBL. Accessed February 15, 2012, 10:40. |