| APA | TKR. (2012, February 10). In Acronym Geek. Retrieved 18:05, February 10, 2012, from http://www.acronymgeek.com/TKR |
| MLA | "TKR." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/TKR>. |
| MHRA | 'TKR', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/TKR> [accessed 10 February 2012] |
| Chicago | "TKR", http://www.acronymgeek.com/TKR (accessed February 10, 2012). |
| CBE/CSE | TKR [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/TKR. |
| Bluebook | TKR, http://www.acronymgeek.com/TKR (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TKR, http://www.acronymgeek.com/TKR (optional description here) (as of Feb. 10, 2012, 18:05). |
| AMA | TKR. Acronym Geek. February 10, 2012, 18:05. Available at: http://www.acronymgeek.com/TKR. Accessed February 10, 2012, 18:05. |