| APA | OYDD. (2012, February 16). In Acronym Geek. Retrieved 00:27, February 16, 2012, from http://www.acronymgeek.com/OYDD |
| MLA | "OYDD." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OYDD>. |
| MHRA | 'OYDD', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OYDD> [accessed 16 February 2012] |
| Chicago | "OYDD", http://www.acronymgeek.com/OYDD (accessed February 16, 2012). |
| CBE/CSE | OYDD [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OYDD. |
| Bluebook | OYDD, http://www.acronymgeek.com/OYDD (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OYDD, http://www.acronymgeek.com/OYDD (optional description here) (as of Feb. 16, 2012, 00:27). |
| AMA | OYDD. Acronym Geek. February 16, 2012, 00:27. Available at: http://www.acronymgeek.com/OYDD. Accessed February 16, 2012, 00:27. |