| APA | KOEC. (2012, February 14). In Acronym Geek. Retrieved 23:29, February 14, 2012, from http://www.acronymgeek.com/KOEC |
| MLA | "KOEC." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/KOEC>. |
| MHRA | 'KOEC', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/KOEC> [accessed 14 February 2012] |
| Chicago | "KOEC", http://www.acronymgeek.com/KOEC (accessed February 14, 2012). |
| CBE/CSE | KOEC [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/KOEC. |
| Bluebook | KOEC, http://www.acronymgeek.com/KOEC (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KOEC, http://www.acronymgeek.com/KOEC (optional description here) (as of Feb. 14, 2012, 23:29). |
| AMA | KOEC. Acronym Geek. February 14, 2012, 23:29. Available at: http://www.acronymgeek.com/KOEC. Accessed February 14, 2012, 23:29. |