| APA | UDBD. (2012, February 15). In Acronym Geek. Retrieved 10:26, February 15, 2012, from http://www.acronymgeek.com/UDBD |
| MLA | "UDBD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/UDBD>. |
| MHRA | 'UDBD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/UDBD> [accessed 15 February 2012] |
| Chicago | "UDBD", http://www.acronymgeek.com/UDBD (accessed February 15, 2012). |
| CBE/CSE | UDBD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/UDBD. |
| Bluebook | UDBD, http://www.acronymgeek.com/UDBD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UDBD, http://www.acronymgeek.com/UDBD (optional description here) (as of Feb. 15, 2012, 10:26). |
| AMA | UDBD. Acronym Geek. February 15, 2012, 10:26. Available at: http://www.acronymgeek.com/UDBD. Accessed February 15, 2012, 10:26. |