| APA | OYRS. (2012, February 16). In Acronym Geek. Retrieved 05:39, February 16, 2012, from http://www.acronymgeek.com/OYRS |
| MLA | "OYRS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OYRS>. |
| MHRA | 'OYRS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OYRS> [accessed 16 February 2012] |
| Chicago | "OYRS", http://www.acronymgeek.com/OYRS (accessed February 16, 2012). |
| CBE/CSE | OYRS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OYRS. |
| Bluebook | OYRS, http://www.acronymgeek.com/OYRS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OYRS, http://www.acronymgeek.com/OYRS (optional description here) (as of Feb. 16, 2012, 05:39). |
| AMA | OYRS. Acronym Geek. February 16, 2012, 05:39. Available at: http://www.acronymgeek.com/OYRS. Accessed February 16, 2012, 05:39. |