| APA | ZUDK. (2012, February 15). In Acronym Geek. Retrieved 01:35, February 15, 2012, from http://www.acronymgeek.com/ZUDK |
| MLA | "ZUDK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ZUDK>. |
| MHRA | 'ZUDK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ZUDK> [accessed 15 February 2012] |
| Chicago | "ZUDK", http://www.acronymgeek.com/ZUDK (accessed February 15, 2012). |
| CBE/CSE | ZUDK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ZUDK. |
| Bluebook | ZUDK, http://www.acronymgeek.com/ZUDK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZUDK, http://www.acronymgeek.com/ZUDK (optional description here) (as of Feb. 15, 2012, 01:35). |
| AMA | ZUDK. Acronym Geek. February 15, 2012, 01:35. Available at: http://www.acronymgeek.com/ZUDK. Accessed February 15, 2012, 01:35. |