| APA | TOI. (2012, February 10). In Acronym Geek. Retrieved 11:20, February 10, 2012, from http://www.acronymgeek.com/TOI |
| MLA | "TOI." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/TOI>. |
| MHRA | 'TOI', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/TOI> [accessed 10 February 2012] |
| Chicago | "TOI", http://www.acronymgeek.com/TOI (accessed February 10, 2012). |
| CBE/CSE | TOI [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/TOI. |
| Bluebook | TOI, http://www.acronymgeek.com/TOI (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TOI, http://www.acronymgeek.com/TOI (optional description here) (as of Feb. 10, 2012, 11:20). |
| AMA | TOI. Acronym Geek. February 10, 2012, 11:20. Available at: http://www.acronymgeek.com/TOI. Accessed February 10, 2012, 11:20. |