| APA | UBD. (2012, February 10). In Acronym Geek. Retrieved 17:02, February 10, 2012, from http://www.acronymgeek.com/UBD |
| MLA | "UBD." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/UBD>. |
| MHRA | 'UBD', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/UBD> [accessed 10 February 2012] |
| Chicago | "UBD", http://www.acronymgeek.com/UBD (accessed February 10, 2012). |
| CBE/CSE | UBD [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/UBD. |
| Bluebook | UBD, http://www.acronymgeek.com/UBD (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UBD, http://www.acronymgeek.com/UBD (optional description here) (as of Feb. 10, 2012, 17:02). |
| AMA | UBD. Acronym Geek. February 10, 2012, 17:02. Available at: http://www.acronymgeek.com/UBD. Accessed February 10, 2012, 17:02. |