| APA | CKG. (2012, February 13). In Acronym Geek. Retrieved 20:49, February 13, 2012, from http://www.acronymgeek.com/CKG |
| MLA | "CKG." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/CKG>. |
| MHRA | 'CKG', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/CKG> [accessed 13 February 2012] |
| Chicago | "CKG", http://www.acronymgeek.com/CKG (accessed February 13, 2012). |
| CBE/CSE | CKG [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/CKG. |
| Bluebook | CKG, http://www.acronymgeek.com/CKG (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CKG, http://www.acronymgeek.com/CKG (optional description here) (as of Feb. 13, 2012, 20:49). |
| AMA | CKG. Acronym Geek. February 13, 2012, 20:49. Available at: http://www.acronymgeek.com/CKG. Accessed February 13, 2012, 20:49. |