| APA | CKE. (2012, February 13). In Acronym Geek. Retrieved 23:36, February 13, 2012, from http://www.acronymgeek.com/CKE |
| MLA | "CKE." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/CKE>. |
| MHRA | 'CKE', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/CKE> [accessed 13 February 2012] |
| Chicago | "CKE", http://www.acronymgeek.com/CKE (accessed February 13, 2012). |
| CBE/CSE | CKE [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/CKE. |
| Bluebook | CKE, http://www.acronymgeek.com/CKE (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CKE, http://www.acronymgeek.com/CKE (optional description here) (as of Feb. 13, 2012, 23:36). |
| AMA | CKE. Acronym Geek. February 13, 2012, 23:36. Available at: http://www.acronymgeek.com/CKE. Accessed February 13, 2012, 23:36. |