| APA | CKDI. (2012, February 15). In Acronym Geek. Retrieved 05:11, February 15, 2012, from http://www.acronymgeek.com/CKDI |
| MLA | "CKDI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/CKDI>. |
| MHRA | 'CKDI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/CKDI> [accessed 15 February 2012] |
| Chicago | "CKDI", http://www.acronymgeek.com/CKDI (accessed February 15, 2012). |
| CBE/CSE | CKDI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/CKDI. |
| Bluebook | CKDI, http://www.acronymgeek.com/CKDI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CKDI, http://www.acronymgeek.com/CKDI (optional description here) (as of Feb. 15, 2012, 05:11). |
| AMA | CKDI. Acronym Geek. February 15, 2012, 05:11. Available at: http://www.acronymgeek.com/CKDI. Accessed February 15, 2012, 05:11. |