| APA | C-I. (2012, February 14). In Acronym Geek. Retrieved 08:00, February 14, 2012, from http://www.acronymgeek.com/C-I |
| MLA | "C-I." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/C-I>. |
| MHRA | 'C-I', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/C-I> [accessed 14 February 2012] |
| Chicago | "C-I", http://www.acronymgeek.com/C-I (accessed February 14, 2012). |
| CBE/CSE | C-I [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/C-I. |
| Bluebook | C-I, http://www.acronymgeek.com/C-I (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, C-I, http://www.acronymgeek.com/C-I (optional description here) (as of Feb. 14, 2012, 08:00). |
| AMA | C-I. Acronym Geek. February 14, 2012, 08:00. Available at: http://www.acronymgeek.com/C-I. Accessed February 14, 2012, 08:00. |