| APA | ZDRT. (2012, February 16). In Acronym Geek. Retrieved 23:34, February 16, 2012, from http://www.acronymgeek.com/ZDRT |
| MLA | "ZDRT." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ZDRT>. |
| MHRA | 'ZDRT', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ZDRT> [accessed 16 February 2012] |
| Chicago | "ZDRT", http://www.acronymgeek.com/ZDRT (accessed February 16, 2012). |
| CBE/CSE | ZDRT [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ZDRT. |
| Bluebook | ZDRT, http://www.acronymgeek.com/ZDRT (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZDRT, http://www.acronymgeek.com/ZDRT (optional description here) (as of Feb. 16, 2012, 23:34). |
| AMA | ZDRT. Acronym Geek. February 16, 2012, 23:34. Available at: http://www.acronymgeek.com/ZDRT. Accessed February 16, 2012, 23:34. |