| APA | OYD. (2012, February 11). In Acronym Geek. Retrieved 18:13, February 11, 2012, from http://www.acronymgeek.com/OYD |
| MLA | "OYD." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/OYD>. |
| MHRA | 'OYD', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/OYD> [accessed 11 February 2012] |
| Chicago | "OYD", http://www.acronymgeek.com/OYD (accessed February 11, 2012). |
| CBE/CSE | OYD [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/OYD. |
| Bluebook | OYD, http://www.acronymgeek.com/OYD (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OYD, http://www.acronymgeek.com/OYD (optional description here) (as of Feb. 11, 2012, 18:13). |
| AMA | OYD. Acronym Geek. February 11, 2012, 18:13. Available at: http://www.acronymgeek.com/OYD. Accessed February 11, 2012, 18:13. |