| APA | DEFY. (2012, February 15). In Acronym Geek. Retrieved 11:56, February 15, 2012, from http://www.acronymgeek.com/DEFY |
| MLA | "DEFY." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DEFY>. |
| MHRA | 'DEFY', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DEFY> [accessed 15 February 2012] |
| Chicago | "DEFY", http://www.acronymgeek.com/DEFY (accessed February 15, 2012). |
| CBE/CSE | DEFY [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DEFY. |
| Bluebook | DEFY, http://www.acronymgeek.com/DEFY (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DEFY, http://www.acronymgeek.com/DEFY (optional description here) (as of Feb. 15, 2012, 11:56). |
| AMA | DEFY. Acronym Geek. February 15, 2012, 11:56. Available at: http://www.acronymgeek.com/DEFY. Accessed February 15, 2012, 11:56. |