| APA | USDB. (2012, February 15). In Acronym Geek. Retrieved 08:15, February 15, 2012, from http://www.acronymgeek.com/USDB |
| MLA | "USDB." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/USDB>. |
| MHRA | 'USDB', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/USDB> [accessed 15 February 2012] |
| Chicago | "USDB", http://www.acronymgeek.com/USDB (accessed February 15, 2012). |
| CBE/CSE | USDB [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/USDB. |
| Bluebook | USDB, http://www.acronymgeek.com/USDB (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, USDB, http://www.acronymgeek.com/USDB (optional description here) (as of Feb. 15, 2012, 08:15). |
| AMA | USDB. Acronym Geek. February 15, 2012, 08:15. Available at: http://www.acronymgeek.com/USDB. Accessed February 15, 2012, 08:15. |