| APA | OYSS. (2012, February 15). In Acronym Geek. Retrieved 21:00, February 15, 2012, from http://www.acronymgeek.com/OYSS |
| MLA | "OYSS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OYSS>. |
| MHRA | 'OYSS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OYSS> [accessed 15 February 2012] |
| Chicago | "OYSS", http://www.acronymgeek.com/OYSS (accessed February 15, 2012). |
| CBE/CSE | OYSS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OYSS. |
| Bluebook | OYSS, http://www.acronymgeek.com/OYSS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OYSS, http://www.acronymgeek.com/OYSS (optional description here) (as of Feb. 15, 2012, 21:00). |
| AMA | OYSS. Acronym Geek. February 15, 2012, 21:00. Available at: http://www.acronymgeek.com/OYSS. Accessed February 15, 2012, 21:00. |