| APA | DEFD. (2012, February 16). In Acronym Geek. Retrieved 14:29, February 16, 2012, from http://www.acronymgeek.com/DEFD |
| MLA | "DEFD." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DEFD>. |
| MHRA | 'DEFD', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DEFD> [accessed 16 February 2012] |
| Chicago | "DEFD", http://www.acronymgeek.com/DEFD (accessed February 16, 2012). |
| CBE/CSE | DEFD [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DEFD. |
| Bluebook | DEFD, http://www.acronymgeek.com/DEFD (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DEFD, http://www.acronymgeek.com/DEFD (optional description here) (as of Feb. 16, 2012, 14:29). |
| AMA | DEFD. Acronym Geek. February 16, 2012, 14:29. Available at: http://www.acronymgeek.com/DEFD. Accessed February 16, 2012, 14:29. |