| APA | MCK. (2012, February 14). In Acronym Geek. Retrieved 09:44, February 14, 2012, from http://www.acronymgeek.com/MCK |
| MLA | "MCK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/MCK>. |
| MHRA | 'MCK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/MCK> [accessed 14 February 2012] |
| Chicago | "MCK", http://www.acronymgeek.com/MCK (accessed February 14, 2012). |
| CBE/CSE | MCK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/MCK. |
| Bluebook | MCK, http://www.acronymgeek.com/MCK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, MCK, http://www.acronymgeek.com/MCK (optional description here) (as of Feb. 14, 2012, 09:44). |
| AMA | MCK. Acronym Geek. February 14, 2012, 09:44. Available at: http://www.acronymgeek.com/MCK. Accessed February 14, 2012, 09:44. |