| APA | DEY. (2012, February 11). In Acronym Geek. Retrieved 22:42, February 11, 2012, from http://www.acronymgeek.com/DEY |
| MLA | "DEY." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/DEY>. |
| MHRA | 'DEY', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/DEY> [accessed 11 February 2012] |
| Chicago | "DEY", http://www.acronymgeek.com/DEY (accessed February 11, 2012). |
| CBE/CSE | DEY [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/DEY. |
| Bluebook | DEY, http://www.acronymgeek.com/DEY (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DEY, http://www.acronymgeek.com/DEY (optional description here) (as of Feb. 11, 2012, 22:42). |
| AMA | DEY. Acronym Geek. February 11, 2012, 22:42. Available at: http://www.acronymgeek.com/DEY. Accessed February 11, 2012, 22:42. |