| APA | DDWN. (2012, February 15). In Acronym Geek. Retrieved 10:52, February 15, 2012, from http://www.acronymgeek.com/DDWN |
| MLA | "DDWN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DDWN>. |
| MHRA | 'DDWN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DDWN> [accessed 15 February 2012] |
| Chicago | "DDWN", http://www.acronymgeek.com/DDWN (accessed February 15, 2012). |
| CBE/CSE | DDWN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DDWN. |
| Bluebook | DDWN, http://www.acronymgeek.com/DDWN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DDWN, http://www.acronymgeek.com/DDWN (optional description here) (as of Feb. 15, 2012, 10:52). |
| AMA | DDWN. Acronym Geek. February 15, 2012, 10:52. Available at: http://www.acronymgeek.com/DDWN. Accessed February 15, 2012, 10:52. |