| APA | DBFL. (2012, February 14). In Acronym Geek. Retrieved 12:56, February 14, 2012, from http://www.acronymgeek.com/DBFL |
| MLA | "DBFL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DBFL>. |
| MHRA | 'DBFL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DBFL> [accessed 14 February 2012] |
| Chicago | "DBFL", http://www.acronymgeek.com/DBFL (accessed February 14, 2012). |
| CBE/CSE | DBFL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DBFL. |
| Bluebook | DBFL, http://www.acronymgeek.com/DBFL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DBFL, http://www.acronymgeek.com/DBFL (optional description here) (as of Feb. 14, 2012, 12:56). |
| AMA | DBFL. Acronym Geek. February 14, 2012, 12:56. Available at: http://www.acronymgeek.com/DBFL. Accessed February 14, 2012, 12:56. |