| APA | ACTK. (2012, February 16). In Acronym Geek. Retrieved 11:48, February 16, 2012, from http://www.acronymgeek.com/ACTK |
| MLA | "ACTK." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ACTK>. |
| MHRA | 'ACTK', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ACTK> [accessed 16 February 2012] |
| Chicago | "ACTK", http://www.acronymgeek.com/ACTK (accessed February 16, 2012). |
| CBE/CSE | ACTK [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ACTK. |
| Bluebook | ACTK, http://www.acronymgeek.com/ACTK (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ACTK, http://www.acronymgeek.com/ACTK (optional description here) (as of Feb. 16, 2012, 11:48). |
| AMA | ACTK. Acronym Geek. February 16, 2012, 11:48. Available at: http://www.acronymgeek.com/ACTK. Accessed February 16, 2012, 11:48. |