| APA | TKA. (2012, February 11). In Acronym Geek. Retrieved 22:24, February 11, 2012, from http://www.acronymgeek.com/TKA |
| MLA | "TKA." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/TKA>. |
| MHRA | 'TKA', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/TKA> [accessed 11 February 2012] |
| Chicago | "TKA", http://www.acronymgeek.com/TKA (accessed February 11, 2012). |
| CBE/CSE | TKA [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/TKA. |
| Bluebook | TKA, http://www.acronymgeek.com/TKA (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TKA, http://www.acronymgeek.com/TKA (optional description here) (as of Feb. 11, 2012, 22:24). |
| AMA | TKA. Acronym Geek. February 11, 2012, 22:24. Available at: http://www.acronymgeek.com/TKA. Accessed February 11, 2012, 22:24. |