| APA | YD. (2012, February 10). In Acronym Geek. Retrieved 10:41, February 10, 2012, from http://www.acronymgeek.com/YD |
| MLA | "YD." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/YD>. |
| MHRA | 'YD', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/YD> [accessed 10 February 2012] |
| Chicago | "YD", http://www.acronymgeek.com/YD (accessed February 10, 2012). |
| CBE/CSE | YD [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/YD. |
| Bluebook | YD, http://www.acronymgeek.com/YD (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, YD, http://www.acronymgeek.com/YD (optional description here) (as of Feb. 10, 2012, 10:41). |
| AMA | YD. Acronym Geek. February 10, 2012, 10:41. Available at: http://www.acronymgeek.com/YD. Accessed February 10, 2012, 10:41. |