| APA | CYES. (2012, February 17). In Acronym Geek. Retrieved 07:43, February 17, 2012, from http://www.acronymgeek.com/CYES |
| MLA | "CYES." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/CYES>. |
| MHRA | 'CYES', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/CYES> [accessed 17 February 2012] |
| Chicago | "CYES", http://www.acronymgeek.com/CYES (accessed February 17, 2012). |
| CBE/CSE | CYES [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/CYES. |
| Bluebook | CYES, http://www.acronymgeek.com/CYES (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CYES, http://www.acronymgeek.com/CYES (optional description here) (as of Feb. 17, 2012, 07:43). |
| AMA | CYES. Acronym Geek. February 17, 2012, 07:43. Available at: http://www.acronymgeek.com/CYES. Accessed February 17, 2012, 07:43. |