| APA | RTU. (2012, February 9). In Acronym Geek. Retrieved 01:52, February 9, 2012, from http://www.acronymgeek.com/RTU |
| MLA | "RTU." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/RTU>. |
| MHRA | 'RTU', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/RTU> [accessed 9 February 2012] |
| Chicago | "RTU", http://www.acronymgeek.com/RTU (accessed February 9, 2012). |
| CBE/CSE | RTU [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/RTU. |
| Bluebook | RTU, http://www.acronymgeek.com/RTU (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RTU, http://www.acronymgeek.com/RTU (optional description here) (as of Feb. 9, 2012, 01:52). |
| AMA | RTU. Acronym Geek. February 9, 2012, 01:52. Available at: http://www.acronymgeek.com/RTU. Accessed February 9, 2012, 01:52. |