| APA | CESY. (2012, February 14). In Acronym Geek. Retrieved 16:07, February 14, 2012, from http://www.acronymgeek.com/CESY |
| MLA | "CESY." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/CESY>. |
| MHRA | 'CESY', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/CESY> [accessed 14 February 2012] |
| Chicago | "CESY", http://www.acronymgeek.com/CESY (accessed February 14, 2012). |
| CBE/CSE | CESY [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/CESY. |
| Bluebook | CESY, http://www.acronymgeek.com/CESY (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CESY, http://www.acronymgeek.com/CESY (optional description here) (as of Feb. 14, 2012, 16:07). |
| AMA | CESY. Acronym Geek. February 14, 2012, 16:07. Available at: http://www.acronymgeek.com/CESY. Accessed February 14, 2012, 16:07. |