| APA | DY. (2012, February 10). In Acronym Geek. Retrieved 10:35, February 10, 2012, from http://www.acronymgeek.com/DY |
| MLA | "DY." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/DY>. |
| MHRA | 'DY', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/DY> [accessed 10 February 2012] |
| Chicago | "DY", http://www.acronymgeek.com/DY (accessed February 10, 2012). |
| CBE/CSE | DY [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/DY. |
| Bluebook | DY, http://www.acronymgeek.com/DY (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DY, http://www.acronymgeek.com/DY (optional description here) (as of Feb. 10, 2012, 10:35). |
| AMA | DY. Acronym Geek. February 10, 2012, 10:35. Available at: http://www.acronymgeek.com/DY. Accessed February 10, 2012, 10:35. |