| APA | GYCS. (2012, February 16). In Acronym Geek. Retrieved 23:37, February 16, 2012, from http://www.acronymgeek.com/GYCS |
| MLA | "GYCS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GYCS>. |
| MHRA | 'GYCS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GYCS> [accessed 16 February 2012] |
| Chicago | "GYCS", http://www.acronymgeek.com/GYCS (accessed February 16, 2012). |
| CBE/CSE | GYCS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GYCS. |
| Bluebook | GYCS, http://www.acronymgeek.com/GYCS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GYCS, http://www.acronymgeek.com/GYCS (optional description here) (as of Feb. 16, 2012, 23:37). |
| AMA | GYCS. Acronym Geek. February 16, 2012, 23:37. Available at: http://www.acronymgeek.com/GYCS. Accessed February 16, 2012, 23:37. |