| APA | OATR. (2012, February 14). In Acronym Geek. Retrieved 00:48, February 14, 2012, from http://www.acronymgeek.com/OATR |
| MLA | "OATR." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/OATR>. |
| MHRA | 'OATR', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/OATR> [accessed 14 February 2012] |
| Chicago | "OATR", http://www.acronymgeek.com/OATR (accessed February 14, 2012). |
| CBE/CSE | OATR [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/OATR. |
| Bluebook | OATR, http://www.acronymgeek.com/OATR (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OATR, http://www.acronymgeek.com/OATR (optional description here) (as of Feb. 14, 2012, 00:48). |
| AMA | OATR. Acronym Geek. February 14, 2012, 00:48. Available at: http://www.acronymgeek.com/OATR. Accessed February 14, 2012, 00:48. |