| APA | TR. (2012, February 14). In Acronym Geek. Retrieved 06:14, February 14, 2012, from http://www.acronymgeek.com/TR |
| MLA | "TR." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/TR>. |
| MHRA | 'TR', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/TR> [accessed 14 February 2012] |
| Chicago | "TR", http://www.acronymgeek.com/TR (accessed February 14, 2012). |
| CBE/CSE | TR [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/TR. |
| Bluebook | TR, http://www.acronymgeek.com/TR (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TR, http://www.acronymgeek.com/TR (optional description here) (as of Feb. 14, 2012, 06:14). |
| AMA | TR. Acronym Geek. February 14, 2012, 06:14. Available at: http://www.acronymgeek.com/TR. Accessed February 14, 2012, 06:14. |