| APA | DUYH. (2012, February 15). In Acronym Geek. Retrieved 23:00, February 15, 2012, from http://www.acronymgeek.com/DUYH |
| MLA | "DUYH." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DUYH>. |
| MHRA | 'DUYH', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DUYH> [accessed 15 February 2012] |
| Chicago | "DUYH", http://www.acronymgeek.com/DUYH (accessed February 15, 2012). |
| CBE/CSE | DUYH [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DUYH. |
| Bluebook | DUYH, http://www.acronymgeek.com/DUYH (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DUYH, http://www.acronymgeek.com/DUYH (optional description here) (as of Feb. 15, 2012, 23:00). |
| AMA | DUYH. Acronym Geek. February 15, 2012, 23:00. Available at: http://www.acronymgeek.com/DUYH. Accessed February 15, 2012, 23:00. |