| APA | A/TK. (2012, February 10). In Acronym Geek. Retrieved 13:20, February 10, 2012, from http://www.acronymgeek.com/A/TK |
| MLA | "A/TK." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/A/TK>. |
| MHRA | 'A/TK', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/A/TK> [accessed 10 February 2012] |
| Chicago | "A/TK", http://www.acronymgeek.com/A/TK (accessed February 10, 2012). |
| CBE/CSE | A/TK [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/A/TK. |
| Bluebook | A/TK, http://www.acronymgeek.com/A/TK (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, A/TK, http://www.acronymgeek.com/A/TK (optional description here) (as of Feb. 10, 2012, 13:20). |
| AMA | A/TK. Acronym Geek. February 10, 2012, 13:20. Available at: http://www.acronymgeek.com/A/TK. Accessed February 10, 2012, 13:20. |