| APA | TRL. (2012, February 9). In Acronym Geek. Retrieved 01:44, February 9, 2012, from http://www.acronymgeek.com/TRL |
| MLA | "TRL." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/TRL>. |
| MHRA | 'TRL', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/TRL> [accessed 9 February 2012] |
| Chicago | "TRL", http://www.acronymgeek.com/TRL (accessed February 9, 2012). |
| CBE/CSE | TRL [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/TRL. |
| Bluebook | TRL, http://www.acronymgeek.com/TRL (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TRL, http://www.acronymgeek.com/TRL (optional description here) (as of Feb. 9, 2012, 01:44). |
| AMA | TRL. Acronym Geek. February 9, 2012, 01:44. Available at: http://www.acronymgeek.com/TRL. Accessed February 9, 2012, 01:44. |