| APA | TRN. (2012, February 13). In Acronym Geek. Retrieved 23:29, February 13, 2012, from http://www.acronymgeek.com/TRN |
| MLA | "TRN." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/TRN>. |
| MHRA | 'TRN', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/TRN> [accessed 13 February 2012] |
| Chicago | "TRN", http://www.acronymgeek.com/TRN (accessed February 13, 2012). |
| CBE/CSE | TRN [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/TRN. |
| Bluebook | TRN, http://www.acronymgeek.com/TRN (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TRN, http://www.acronymgeek.com/TRN (optional description here) (as of Feb. 13, 2012, 23:29). |
| AMA | TRN. Acronym Geek. February 13, 2012, 23:29. Available at: http://www.acronymgeek.com/TRN. Accessed February 13, 2012, 23:29. |