| APA | DEFRA. (2012, February 9). In Acronym Geek. Retrieved 00:43, February 9, 2012, from http://www.acronymgeek.com/DEFRA |
| MLA | "DEFRA." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/DEFRA>. |
| MHRA | 'DEFRA', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/DEFRA> [accessed 9 February 2012] |
| Chicago | "DEFRA", http://www.acronymgeek.com/DEFRA (accessed February 9, 2012). |
| CBE/CSE | DEFRA [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/DEFRA. |
| Bluebook | DEFRA, http://www.acronymgeek.com/DEFRA (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DEFRA, http://www.acronymgeek.com/DEFRA (optional description here) (as of Feb. 9, 2012, 00:43). |
| AMA | DEFRA. Acronym Geek. February 9, 2012, 00:43. Available at: http://www.acronymgeek.com/DEFRA. Accessed February 9, 2012, 00:43. |