| APA | KOEF. (2012, February 16). In Acronym Geek. Retrieved 17:41, February 16, 2012, from http://www.acronymgeek.com/KOEF |
| MLA | "KOEF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/KOEF>. |
| MHRA | 'KOEF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/KOEF> [accessed 16 February 2012] |
| Chicago | "KOEF", http://www.acronymgeek.com/KOEF (accessed February 16, 2012). |
| CBE/CSE | KOEF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/KOEF. |
| Bluebook | KOEF, http://www.acronymgeek.com/KOEF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KOEF, http://www.acronymgeek.com/KOEF (optional description here) (as of Feb. 16, 2012, 17:41). |
| AMA | KOEF. Acronym Geek. February 16, 2012, 17:41. Available at: http://www.acronymgeek.com/KOEF. Accessed February 16, 2012, 17:41. |