| APA | TRA. (2012, February 9). In Acronym Geek. Retrieved 21:05, February 9, 2012, from http://www.acronymgeek.com/TRA |
| MLA | "TRA." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/TRA>. |
| MHRA | 'TRA', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/TRA> [accessed 9 February 2012] |
| Chicago | "TRA", http://www.acronymgeek.com/TRA (accessed February 9, 2012). |
| CBE/CSE | TRA [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/TRA. |
| Bluebook | TRA, http://www.acronymgeek.com/TRA (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TRA, http://www.acronymgeek.com/TRA (optional description here) (as of Feb. 9, 2012, 21:05). |
| AMA | TRA. Acronym Geek. February 9, 2012, 21:05. Available at: http://www.acronymgeek.com/TRA. Accessed February 9, 2012, 21:05. |