| APA | IKEF. (2012, February 14). In Acronym Geek. Retrieved 17:21, February 14, 2012, from http://www.acronymgeek.com/IKEF |
| MLA | "IKEF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/IKEF>. |
| MHRA | 'IKEF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/IKEF> [accessed 14 February 2012] |
| Chicago | "IKEF", http://www.acronymgeek.com/IKEF (accessed February 14, 2012). |
| CBE/CSE | IKEF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/IKEF. |
| Bluebook | IKEF, http://www.acronymgeek.com/IKEF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IKEF, http://www.acronymgeek.com/IKEF (optional description here) (as of Feb. 14, 2012, 17:21). |
| AMA | IKEF. Acronym Geek. February 14, 2012, 17:21. Available at: http://www.acronymgeek.com/IKEF. Accessed February 14, 2012, 17:21. |