| APA | EFW. (2012, February 10). In Acronym Geek. Retrieved 08:28, February 10, 2012, from http://www.acronymgeek.com/EFW |
| MLA | "EFW." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/EFW>. |
| MHRA | 'EFW', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/EFW> [accessed 10 February 2012] |
| Chicago | "EFW", http://www.acronymgeek.com/EFW (accessed February 10, 2012). |
| CBE/CSE | EFW [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/EFW. |
| Bluebook | EFW, http://www.acronymgeek.com/EFW (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EFW, http://www.acronymgeek.com/EFW (optional description here) (as of Feb. 10, 2012, 08:28). |
| AMA | EFW. Acronym Geek. February 10, 2012, 08:28. Available at: http://www.acronymgeek.com/EFW. Accessed February 10, 2012, 08:28. |