| APA | DBDF. (2012, February 14). In Acronym Geek. Retrieved 19:57, February 14, 2012, from http://www.acronymgeek.com/DBDF |
| MLA | "DBDF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DBDF>. |
| MHRA | 'DBDF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DBDF> [accessed 14 February 2012] |
| Chicago | "DBDF", http://www.acronymgeek.com/DBDF (accessed February 14, 2012). |
| CBE/CSE | DBDF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DBDF. |
| Bluebook | DBDF, http://www.acronymgeek.com/DBDF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DBDF, http://www.acronymgeek.com/DBDF (optional description here) (as of Feb. 14, 2012, 19:57). |
| AMA | DBDF. Acronym Geek. February 14, 2012, 19:57. Available at: http://www.acronymgeek.com/DBDF. Accessed February 14, 2012, 19:57. |