| APA | OYI. (2012, February 11). In Acronym Geek. Retrieved 22:56, February 11, 2012, from http://www.acronymgeek.com/OYI |
| MLA | "OYI." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/OYI>. |
| MHRA | 'OYI', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/OYI> [accessed 11 February 2012] |
| Chicago | "OYI", http://www.acronymgeek.com/OYI (accessed February 11, 2012). |
| CBE/CSE | OYI [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/OYI. |
| Bluebook | OYI, http://www.acronymgeek.com/OYI (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OYI, http://www.acronymgeek.com/OYI (optional description here) (as of Feb. 11, 2012, 22:56). |
| AMA | OYI. Acronym Geek. February 11, 2012, 22:56. Available at: http://www.acronymgeek.com/OYI. Accessed February 11, 2012, 22:56. |