| APA | C2S. (2012, February 10). In Acronym Geek. Retrieved 18:06, February 10, 2012, from http://www.acronymgeek.com/C2S |
| MLA | "C2S." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/C2S>. |
| MHRA | 'C2S', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/C2S> [accessed 10 February 2012] |
| Chicago | "C2S", http://www.acronymgeek.com/C2S (accessed February 10, 2012). |
| CBE/CSE | C2S [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/C2S. |
| Bluebook | C2S, http://www.acronymgeek.com/C2S (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, C2S, http://www.acronymgeek.com/C2S (optional description here) (as of Feb. 10, 2012, 18:06). |
| AMA | C2S. Acronym Geek. February 10, 2012, 18:06. Available at: http://www.acronymgeek.com/C2S. Accessed February 10, 2012, 18:06. |