| APA | DDT. (2012, February 10). In Acronym Geek. Retrieved 16:41, February 10, 2012, from http://www.acronymgeek.com/DDT |
| MLA | "DDT." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/DDT>. |
| MHRA | 'DDT', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/DDT> [accessed 10 February 2012] |
| Chicago | "DDT", http://www.acronymgeek.com/DDT (accessed February 10, 2012). |
| CBE/CSE | DDT [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/DDT. |
| Bluebook | DDT, http://www.acronymgeek.com/DDT (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DDT, http://www.acronymgeek.com/DDT (optional description here) (as of Feb. 10, 2012, 16:41). |
| AMA | DDT. Acronym Geek. February 10, 2012, 16:41. Available at: http://www.acronymgeek.com/DDT. Accessed February 10, 2012, 16:41. |