| Style | Reference Text |
|---|
| APA | EF. (2009, November 9). In All Acronyms. Retrieved 01:20, November 9, 2009, from http://www.all-acronyms.com/cat/0/EF |
| MLA | "EF." All Acronyms. 9 Nov 2009, 01:20. All Acronyms. 9 Nov 2009 <http://www.all-acronyms.com/cat/0/EF>. |
| MHRA | 'EF', All Acronyms, 9 November 2009, 01:20, <http://www.all-acronyms.com/cat/0/EF> [accessed 9 November 2009] |
| Chicago | "EF," http://www.all-acronyms.com/cat/0/EF (accessed November 9, 2009). |
| CBE/CSE | EF [Internet]. All Acronyms; 2009 Nov 9, 01:20 [cited 2009 Nov 9]. Available from: http://www.all-acronyms.com/cat/0/EF. |
| Bluebook | EF, http://www.all-acronyms.com/cat/0/EF (last visited November 9, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, EF, http://www.all-acronyms.com/cat/0/EF (optional description here) (as of Nov. 9, 2009, 01:20). |
| AMA | EF. All Acronyms. November 9, 2009, 01:20. Available at: http://www.all-acronyms.com/cat/0/EF. Accessed November 9, 2009. |