| APA | GTRA. (2012, February 11). In Acronym Geek. Retrieved 23:37, February 11, 2012, from http://www.acronymgeek.com/GTRA |
| MLA | "GTRA." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/GTRA>. |
| MHRA | 'GTRA', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/GTRA> [accessed 11 February 2012] |
| Chicago | "GTRA", http://www.acronymgeek.com/GTRA (accessed February 11, 2012). |
| CBE/CSE | GTRA [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/GTRA. |
| Bluebook | GTRA, http://www.acronymgeek.com/GTRA (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GTRA, http://www.acronymgeek.com/GTRA (optional description here) (as of Feb. 11, 2012, 23:37). |
| AMA | GTRA. Acronym Geek. February 11, 2012, 23:37. Available at: http://www.acronymgeek.com/GTRA. Accessed February 11, 2012, 23:37. |