| APA | C4C. (2012, February 14). In Acronym Geek. Retrieved 19:18, February 14, 2012, from http://www.acronymgeek.com/C4C |
| MLA | "C4C." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/C4C>. |
| MHRA | 'C4C', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/C4C> [accessed 14 February 2012] |
| Chicago | "C4C", http://www.acronymgeek.com/C4C (accessed February 14, 2012). |
| CBE/CSE | C4C [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/C4C. |
| Bluebook | C4C, http://www.acronymgeek.com/C4C (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, C4C, http://www.acronymgeek.com/C4C (optional description here) (as of Feb. 14, 2012, 19:18). |
| AMA | C4C. Acronym Geek. February 14, 2012, 19:18. Available at: http://www.acronymgeek.com/C4C. Accessed February 14, 2012, 19:18. |