| APA | UKDY. (2012, February 16). In Acronym Geek. Retrieved 08:28, February 16, 2012, from http://www.acronymgeek.com/UKDY |
| MLA | "UKDY." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/UKDY>. |
| MHRA | 'UKDY', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/UKDY> [accessed 16 February 2012] |
| Chicago | "UKDY", http://www.acronymgeek.com/UKDY (accessed February 16, 2012). |
| CBE/CSE | UKDY [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/UKDY. |
| Bluebook | UKDY, http://www.acronymgeek.com/UKDY (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UKDY, http://www.acronymgeek.com/UKDY (optional description here) (as of Feb. 16, 2012, 08:28). |
| AMA | UKDY. Acronym Geek. February 16, 2012, 08:28. Available at: http://www.acronymgeek.com/UKDY. Accessed February 16, 2012, 08:28. |