| APA | CIED. (2012, February 16). In Acronym Geek. Retrieved 10:15, February 16, 2012, from http://www.acronymgeek.com/CIED |
| MLA | "CIED." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CIED>. |
| MHRA | 'CIED', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CIED> [accessed 16 February 2012] |
| Chicago | "CIED", http://www.acronymgeek.com/CIED (accessed February 16, 2012). |
| CBE/CSE | CIED [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CIED. |
| Bluebook | CIED, http://www.acronymgeek.com/CIED (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CIED, http://www.acronymgeek.com/CIED (optional description here) (as of Feb. 16, 2012, 10:15). |
| AMA | CIED. Acronym Geek. February 16, 2012, 10:15. Available at: http://www.acronymgeek.com/CIED. Accessed February 16, 2012, 10:15. |