| APA | OYN. (2012, February 10). In Acronym Geek. Retrieved 17:12, February 10, 2012, from http://www.acronymgeek.com/OYN |
| MLA | "OYN." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/OYN>. |
| MHRA | 'OYN', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/OYN> [accessed 10 February 2012] |
| Chicago | "OYN", http://www.acronymgeek.com/OYN (accessed February 10, 2012). |
| CBE/CSE | OYN [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/OYN. |
| Bluebook | OYN, http://www.acronymgeek.com/OYN (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OYN, http://www.acronymgeek.com/OYN (optional description here) (as of Feb. 10, 2012, 17:12). |
| AMA | OYN. Acronym Geek. February 10, 2012, 17:12. Available at: http://www.acronymgeek.com/OYN. Accessed February 10, 2012, 17:12. |