| APA | CYHS. (2012, February 15). In Acronym Geek. Retrieved 12:57, February 15, 2012, from http://www.acronymgeek.com/CYHS |
| MLA | "CYHS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/CYHS>. |
| MHRA | 'CYHS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/CYHS> [accessed 15 February 2012] |
| Chicago | "CYHS", http://www.acronymgeek.com/CYHS (accessed February 15, 2012). |
| CBE/CSE | CYHS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/CYHS. |
| Bluebook | CYHS, http://www.acronymgeek.com/CYHS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CYHS, http://www.acronymgeek.com/CYHS (optional description here) (as of Feb. 15, 2012, 12:57). |
| AMA | CYHS. Acronym Geek. February 15, 2012, 12:57. Available at: http://www.acronymgeek.com/CYHS. Accessed February 15, 2012, 12:57. |