| APA | DFE. (2012, February 10). In Acronym Geek. Retrieved 17:51, February 10, 2012, from http://www.acronymgeek.com/DFE |
| MLA | "DFE." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/DFE>. |
| MHRA | 'DFE', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/DFE> [accessed 10 February 2012] |
| Chicago | "DFE", http://www.acronymgeek.com/DFE (accessed February 10, 2012). |
| CBE/CSE | DFE [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/DFE. |
| Bluebook | DFE, http://www.acronymgeek.com/DFE (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DFE, http://www.acronymgeek.com/DFE (optional description here) (as of Feb. 10, 2012, 17:51). |
| AMA | DFE. Acronym Geek. February 10, 2012, 17:51. Available at: http://www.acronymgeek.com/DFE. Accessed February 10, 2012, 17:51. |