| APA | DBDN. (2012, February 15). In Acronym Geek. Retrieved 00:33, February 15, 2012, from http://www.acronymgeek.com/DBDN |
| MLA | "DBDN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DBDN>. |
| MHRA | 'DBDN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DBDN> [accessed 15 February 2012] |
| Chicago | "DBDN", http://www.acronymgeek.com/DBDN (accessed February 15, 2012). |
| CBE/CSE | DBDN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DBDN. |
| Bluebook | DBDN, http://www.acronymgeek.com/DBDN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DBDN, http://www.acronymgeek.com/DBDN (optional description here) (as of Feb. 15, 2012, 00:33). |
| AMA | DBDN. Acronym Geek. February 15, 2012, 00:33. Available at: http://www.acronymgeek.com/DBDN. Accessed February 15, 2012, 00:33. |