| APA | YUD. (2012, February 10). In Acronym Geek. Retrieved 10:18, February 10, 2012, from http://www.acronymgeek.com/YUD |
| MLA | "YUD." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/YUD>. |
| MHRA | 'YUD', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/YUD> [accessed 10 February 2012] |
| Chicago | "YUD", http://www.acronymgeek.com/YUD (accessed February 10, 2012). |
| CBE/CSE | YUD [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/YUD. |
| Bluebook | YUD, http://www.acronymgeek.com/YUD (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, YUD, http://www.acronymgeek.com/YUD (optional description here) (as of Feb. 10, 2012, 10:18). |
| AMA | YUD. Acronym Geek. February 10, 2012, 10:18. Available at: http://www.acronymgeek.com/YUD. Accessed February 10, 2012, 10:18. |