| APA | TOK. (2012, February 14). In Acronym Geek. Retrieved 10:03, February 14, 2012, from http://www.acronymgeek.com/TOK |
| MLA | "TOK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/TOK>. |
| MHRA | 'TOK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/TOK> [accessed 14 February 2012] |
| Chicago | "TOK", http://www.acronymgeek.com/TOK (accessed February 14, 2012). |
| CBE/CSE | TOK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/TOK. |
| Bluebook | TOK, http://www.acronymgeek.com/TOK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TOK, http://www.acronymgeek.com/TOK (optional description here) (as of Feb. 14, 2012, 10:03). |
| AMA | TOK. Acronym Geek. February 14, 2012, 10:03. Available at: http://www.acronymgeek.com/TOK. Accessed February 14, 2012, 10:03. |