| APA | EKA. (2012, February 11). In Acronym Geek. Retrieved 13:14, February 11, 2012, from http://www.acronymgeek.com/EKA |
| MLA | "EKA." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/EKA>. |
| MHRA | 'EKA', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/EKA> [accessed 11 February 2012] |
| Chicago | "EKA", http://www.acronymgeek.com/EKA (accessed February 11, 2012). |
| CBE/CSE | EKA [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/EKA. |
| Bluebook | EKA, http://www.acronymgeek.com/EKA (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EKA, http://www.acronymgeek.com/EKA (optional description here) (as of Feb. 11, 2012, 13:14). |
| AMA | EKA. Acronym Geek. February 11, 2012, 13:14. Available at: http://www.acronymgeek.com/EKA. Accessed February 11, 2012, 13:14. |