| APA | RTRN. (2012, February 16). In Acronym Geek. Retrieved 15:06, February 16, 2012, from http://www.acronymgeek.com/RTRN |
| MLA | "RTRN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/RTRN>. |
| MHRA | 'RTRN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/RTRN> [accessed 16 February 2012] |
| Chicago | "RTRN", http://www.acronymgeek.com/RTRN (accessed February 16, 2012). |
| CBE/CSE | RTRN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/RTRN. |
| Bluebook | RTRN, http://www.acronymgeek.com/RTRN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RTRN, http://www.acronymgeek.com/RTRN (optional description here) (as of Feb. 16, 2012, 15:06). |
| AMA | RTRN. Acronym Geek. February 16, 2012, 15:06. Available at: http://www.acronymgeek.com/RTRN. Accessed February 16, 2012, 15:06. |