| APA | OTRG. (2012, February 15). In Acronym Geek. Retrieved 19:10, February 15, 2012, from http://www.acronymgeek.com/OTRG |
| MLA | "OTRG." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OTRG>. |
| MHRA | 'OTRG', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OTRG> [accessed 15 February 2012] |
| Chicago | "OTRG", http://www.acronymgeek.com/OTRG (accessed February 15, 2012). |
| CBE/CSE | OTRG [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OTRG. |
| Bluebook | OTRG, http://www.acronymgeek.com/OTRG (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OTRG, http://www.acronymgeek.com/OTRG (optional description here) (as of Feb. 15, 2012, 19:10). |
| AMA | OTRG. Acronym Geek. February 15, 2012, 19:10. Available at: http://www.acronymgeek.com/OTRG. Accessed February 15, 2012, 19:10. |