| APA | QKI. (2012, February 14). In Acronym Geek. Retrieved 09:55, February 14, 2012, from http://www.acronymgeek.com/QKI |
| MLA | "QKI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/QKI>. |
| MHRA | 'QKI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/QKI> [accessed 14 February 2012] |
| Chicago | "QKI", http://www.acronymgeek.com/QKI (accessed February 14, 2012). |
| CBE/CSE | QKI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/QKI. |
| Bluebook | QKI, http://www.acronymgeek.com/QKI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QKI, http://www.acronymgeek.com/QKI (optional description here) (as of Feb. 14, 2012, 09:55). |
| AMA | QKI. Acronym Geek. February 14, 2012, 09:55. Available at: http://www.acronymgeek.com/QKI. Accessed February 14, 2012, 09:55. |