| APA | EYCO. (2012, February 14). In Acronym Geek. Retrieved 13:46, February 14, 2012, from http://www.acronymgeek.com/EYCO |
| MLA | "EYCO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/EYCO>. |
| MHRA | 'EYCO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/EYCO> [accessed 14 February 2012] |
| Chicago | "EYCO", http://www.acronymgeek.com/EYCO (accessed February 14, 2012). |
| CBE/CSE | EYCO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/EYCO. |
| Bluebook | EYCO, http://www.acronymgeek.com/EYCO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EYCO, http://www.acronymgeek.com/EYCO (optional description here) (as of Feb. 14, 2012, 13:46). |
| AMA | EYCO. Acronym Geek. February 14, 2012, 13:46. Available at: http://www.acronymgeek.com/EYCO. Accessed February 14, 2012, 13:46. |