| APA | EFU. (2012, February 11). In Acronym Geek. Retrieved 23:11, February 11, 2012, from http://www.acronymgeek.com/EFU |
| MLA | "EFU." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/EFU>. |
| MHRA | 'EFU', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/EFU> [accessed 11 February 2012] |
| Chicago | "EFU", http://www.acronymgeek.com/EFU (accessed February 11, 2012). |
| CBE/CSE | EFU [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/EFU. |
| Bluebook | EFU, http://www.acronymgeek.com/EFU (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EFU, http://www.acronymgeek.com/EFU (optional description here) (as of Feb. 11, 2012, 23:11). |
| AMA | EFU. Acronym Geek. February 11, 2012, 23:11. Available at: http://www.acronymgeek.com/EFU. Accessed February 11, 2012, 23:11. |