| APA | C.. (2012, February 9). In Acronym Geek. Retrieved 18:07, February 9, 2012, from http://www.acronymgeek.com/C. |
| MLA | "C.." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/C.>. |
| MHRA | 'C.', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/C.> [accessed 9 February 2012] |
| Chicago | "C.", http://www.acronymgeek.com/C. (accessed February 9, 2012). |
| CBE/CSE | C. [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/C.. |
| Bluebook | C., http://www.acronymgeek.com/C. (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, C., http://www.acronymgeek.com/C. (optional description here) (as of Feb. 9, 2012, 18:07). |
| AMA | C.. Acronym Geek. February 9, 2012, 18:07. Available at: http://www.acronymgeek.com/C.. Accessed February 9, 2012, 18:07. |