| APA | DEFL. (2012, February 16). In Acronym Geek. Retrieved 08:56, February 16, 2012, from http://www.acronymgeek.com/DEFL |
| MLA | "DEFL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DEFL>. |
| MHRA | 'DEFL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DEFL> [accessed 16 February 2012] |
| Chicago | "DEFL", http://www.acronymgeek.com/DEFL (accessed February 16, 2012). |
| CBE/CSE | DEFL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DEFL. |
| Bluebook | DEFL, http://www.acronymgeek.com/DEFL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DEFL, http://www.acronymgeek.com/DEFL (optional description here) (as of Feb. 16, 2012, 08:56). |
| AMA | DEFL. Acronym Geek. February 16, 2012, 08:56. Available at: http://www.acronymgeek.com/DEFL. Accessed February 16, 2012, 08:56. |