| APA | QK. (2012, February 14). In Acronym Geek. Retrieved 06:52, February 14, 2012, from http://www.acronymgeek.com/QK |
| MLA | "QK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/QK>. |
| MHRA | 'QK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/QK> [accessed 14 February 2012] |
| Chicago | "QK", http://www.acronymgeek.com/QK (accessed February 14, 2012). |
| CBE/CSE | QK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/QK. |
| Bluebook | QK, http://www.acronymgeek.com/QK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QK, http://www.acronymgeek.com/QK (optional description here) (as of Feb. 14, 2012, 06:52). |
| AMA | QK. Acronym Geek. February 14, 2012, 06:52. Available at: http://www.acronymgeek.com/QK. Accessed February 14, 2012, 06:52. |