| APA | EFE. (2012, February 14). In Acronym Geek. Retrieved 07:14, February 14, 2012, from http://www.acronymgeek.com/EFE |
| MLA | "EFE." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/EFE>. |
| MHRA | 'EFE', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/EFE> [accessed 14 February 2012] |
| Chicago | "EFE", http://www.acronymgeek.com/EFE (accessed February 14, 2012). |
| CBE/CSE | EFE [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/EFE. |
| Bluebook | EFE, http://www.acronymgeek.com/EFE (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EFE, http://www.acronymgeek.com/EFE (optional description here) (as of Feb. 14, 2012, 07:14). |
| AMA | EFE. Acronym Geek. February 14, 2012, 07:14. Available at: http://www.acronymgeek.com/EFE. Accessed February 14, 2012, 07:14. |