| APA | EIF. (2012, February 9). In Acronym Geek. Retrieved 20:04, February 9, 2012, from http://www.acronymgeek.com/EIF |
| MLA | "EIF." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/EIF>. |
| MHRA | 'EIF', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/EIF> [accessed 9 February 2012] |
| Chicago | "EIF", http://www.acronymgeek.com/EIF (accessed February 9, 2012). |
| CBE/CSE | EIF [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/EIF. |
| Bluebook | EIF, http://www.acronymgeek.com/EIF (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EIF, http://www.acronymgeek.com/EIF (optional description here) (as of Feb. 9, 2012, 20:04). |
| AMA | EIF. Acronym Geek. February 9, 2012, 20:04. Available at: http://www.acronymgeek.com/EIF. Accessed February 9, 2012, 20:04. |