| APA | C4CR. (2012, February 14). In Acronym Geek. Retrieved 22:46, February 14, 2012, from http://www.acronymgeek.com/C4CR |
| MLA | "C4CR." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/C4CR>. |
| MHRA | 'C4CR', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/C4CR> [accessed 14 February 2012] |
| Chicago | "C4CR", http://www.acronymgeek.com/C4CR (accessed February 14, 2012). |
| CBE/CSE | C4CR [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/C4CR. |
| Bluebook | C4CR, http://www.acronymgeek.com/C4CR (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, C4CR, http://www.acronymgeek.com/C4CR (optional description here) (as of Feb. 14, 2012, 22:46). |
| AMA | C4CR. Acronym Geek. February 14, 2012, 22:46. Available at: http://www.acronymgeek.com/C4CR. Accessed February 14, 2012, 22:46. |