| APA | OYA. (2012, February 11). In Acronym Geek. Retrieved 17:58, February 11, 2012, from http://www.acronymgeek.com/OYA |
| MLA | "OYA." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/OYA>. |
| MHRA | 'OYA', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/OYA> [accessed 11 February 2012] |
| Chicago | "OYA", http://www.acronymgeek.com/OYA (accessed February 11, 2012). |
| CBE/CSE | OYA [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/OYA. |
| Bluebook | OYA, http://www.acronymgeek.com/OYA (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OYA, http://www.acronymgeek.com/OYA (optional description here) (as of Feb. 11, 2012, 17:58). |
| AMA | OYA. Acronym Geek. February 11, 2012, 17:58. Available at: http://www.acronymgeek.com/OYA. Accessed February 11, 2012, 17:58. |