| APA | C4QI. (2012, February 17). In Acronym Geek. Retrieved 06:45, February 17, 2012, from http://www.acronymgeek.com/C4QI |
| MLA | "C4QI." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/C4QI>. |
| MHRA | 'C4QI', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/C4QI> [accessed 17 February 2012] |
| Chicago | "C4QI", http://www.acronymgeek.com/C4QI (accessed February 17, 2012). |
| CBE/CSE | C4QI [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/C4QI. |
| Bluebook | C4QI, http://www.acronymgeek.com/C4QI (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, C4QI, http://www.acronymgeek.com/C4QI (optional description here) (as of Feb. 17, 2012, 06:45). |
| AMA | C4QI. Acronym Geek. February 17, 2012, 06:45. Available at: http://www.acronymgeek.com/C4QI. Accessed February 17, 2012, 06:45. |