| APA | IEIF. (2012, February 14). In Acronym Geek. Retrieved 15:51, February 14, 2012, from http://www.acronymgeek.com/IEIF |
| MLA | "IEIF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/IEIF>. |
| MHRA | 'IEIF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/IEIF> [accessed 14 February 2012] |
| Chicago | "IEIF", http://www.acronymgeek.com/IEIF (accessed February 14, 2012). |
| CBE/CSE | IEIF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/IEIF. |
| Bluebook | IEIF, http://www.acronymgeek.com/IEIF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IEIF, http://www.acronymgeek.com/IEIF (optional description here) (as of Feb. 14, 2012, 15:51). |
| AMA | IEIF. Acronym Geek. February 14, 2012, 15:51. Available at: http://www.acronymgeek.com/IEIF. Accessed February 14, 2012, 15:51. |