| APA | ZDR. (2012, February 13). In Acronym Geek. Retrieved 22:43, February 13, 2012, from http://www.acronymgeek.com/ZDR |
| MLA | "ZDR." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/ZDR>. |
| MHRA | 'ZDR', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/ZDR> [accessed 13 February 2012] |
| Chicago | "ZDR", http://www.acronymgeek.com/ZDR (accessed February 13, 2012). |
| CBE/CSE | ZDR [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/ZDR. |
| Bluebook | ZDR, http://www.acronymgeek.com/ZDR (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZDR, http://www.acronymgeek.com/ZDR (optional description here) (as of Feb. 13, 2012, 22:43). |
| AMA | ZDR. Acronym Geek. February 13, 2012, 22:43. Available at: http://www.acronymgeek.com/ZDR. Accessed February 13, 2012, 22:43. |