| APA | OY. (2012, February 11). In Acronym Geek. Retrieved 17:06, February 11, 2012, from http://www.acronymgeek.com/OY |
| MLA | "OY." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/OY>. |
| MHRA | 'OY', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/OY> [accessed 11 February 2012] |
| Chicago | "OY", http://www.acronymgeek.com/OY (accessed February 11, 2012). |
| CBE/CSE | OY [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/OY. |
| Bluebook | OY, http://www.acronymgeek.com/OY (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OY, http://www.acronymgeek.com/OY (optional description here) (as of Feb. 11, 2012, 17:06). |
| AMA | OY. Acronym Geek. February 11, 2012, 17:06. Available at: http://www.acronymgeek.com/OY. Accessed February 11, 2012, 17:06. |