| APA | DUY. (2012, February 11). In Acronym Geek. Retrieved 18:10, February 11, 2012, from http://www.acronymgeek.com/DUY |
| MLA | "DUY." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/DUY>. |
| MHRA | 'DUY', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/DUY> [accessed 11 February 2012] |
| Chicago | "DUY", http://www.acronymgeek.com/DUY (accessed February 11, 2012). |
| CBE/CSE | DUY [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/DUY. |
| Bluebook | DUY, http://www.acronymgeek.com/DUY (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DUY, http://www.acronymgeek.com/DUY (optional description here) (as of Feb. 11, 2012, 18:10). |
| AMA | DUY. Acronym Geek. February 11, 2012, 18:10. Available at: http://www.acronymgeek.com/DUY. Accessed February 11, 2012, 18:10. |