| APA | CKCK. (2012, February 16). In Acronym Geek. Retrieved 06:48, February 16, 2012, from http://www.acronymgeek.com/CKCK |
| MLA | "CKCK." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CKCK>. |
| MHRA | 'CKCK', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CKCK> [accessed 16 February 2012] |
| Chicago | "CKCK", http://www.acronymgeek.com/CKCK (accessed February 16, 2012). |
| CBE/CSE | CKCK [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CKCK. |
| Bluebook | CKCK, http://www.acronymgeek.com/CKCK (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CKCK, http://www.acronymgeek.com/CKCK (optional description here) (as of Feb. 16, 2012, 06:48). |
| AMA | CKCK. Acronym Geek. February 16, 2012, 06:48. Available at: http://www.acronymgeek.com/CKCK. Accessed February 16, 2012, 06:48. |