| APA | EF&I. (2012, February 11). In Acronym Geek. Retrieved 20:52, February 11, 2012, from http://www.acronymgeek.com/EF&I |
| MLA | "EF&I." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/EF&I>. |
| MHRA | 'EF&I', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/EF&I> [accessed 11 February 2012] |
| Chicago | "EF&I", http://www.acronymgeek.com/EF&I (accessed February 11, 2012). |
| CBE/CSE | EF&I [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/EF&I. |
| Bluebook | EF&I, http://www.acronymgeek.com/EF&I (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EF&I, http://www.acronymgeek.com/EF&I (optional description here) (as of Feb. 11, 2012, 20:52). |
| AMA | EF&I. Acronym Geek. February 11, 2012, 20:52. Available at: http://www.acronymgeek.com/EF&I. Accessed February 11, 2012, 20:52. |