| APA | RTR. (2012, February 13). In Acronym Geek. Retrieved 20:57, February 13, 2012, from http://www.acronymgeek.com/RTR |
| MLA | "RTR." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/RTR>. |
| MHRA | 'RTR', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/RTR> [accessed 13 February 2012] |
| Chicago | "RTR", http://www.acronymgeek.com/RTR (accessed February 13, 2012). |
| CBE/CSE | RTR [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/RTR. |
| Bluebook | RTR, http://www.acronymgeek.com/RTR (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RTR, http://www.acronymgeek.com/RTR (optional description here) (as of Feb. 13, 2012, 20:57). |
| AMA | RTR. Acronym Geek. February 13, 2012, 20:57. Available at: http://www.acronymgeek.com/RTR. Accessed February 13, 2012, 20:57. |