| APA | UDB. (2012, February 9). In Acronym Geek. Retrieved 09:16, February 9, 2012, from http://www.acronymgeek.com/UDB |
| MLA | "UDB." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/UDB>. |
| MHRA | 'UDB', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/UDB> [accessed 9 February 2012] |
| Chicago | "UDB", http://www.acronymgeek.com/UDB (accessed February 9, 2012). |
| CBE/CSE | UDB [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/UDB. |
| Bluebook | UDB, http://www.acronymgeek.com/UDB (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UDB, http://www.acronymgeek.com/UDB (optional description here) (as of Feb. 9, 2012, 09:16). |
| AMA | UDB. Acronym Geek. February 9, 2012, 09:16. Available at: http://www.acronymgeek.com/UDB. Accessed February 9, 2012, 09:16. |