| Style | Reference Text |
|---|
| APA | EF. (2009, November 20). In All Acronyms. Retrieved 19:17, November 20, 2009, from http://www.all-acronyms.com/EF |
| MLA | "EF." All Acronyms. 20 Nov 2009, 19:17. All Acronyms. 20 Nov 2009 <http://www.all-acronyms.com/EF>. |
| MHRA | 'EF', All Acronyms, 20 November 2009, 19:17, <http://www.all-acronyms.com/EF> [accessed 20 November 2009] |
| Chicago | "EF," http://www.all-acronyms.com/EF (accessed November 20, 2009). |
| CBE/CSE | EF [Internet]. All Acronyms; 2009 Nov 20, 19:17 [cited 2009 Nov 20]. Available from: http://www.all-acronyms.com/EF. |
| Bluebook | EF, http://www.all-acronyms.com/EF (last visited November 20, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, EF, http://www.all-acronyms.com/EF (optional description here) (as of Nov. 20, 2009, 19:17). |
| AMA | EF. All Acronyms. November 20, 2009, 19:17. Available at: http://www.all-acronyms.com/EF. Accessed November 20, 2009. |