| APA | ZRDA. (2012, February 15). In Acronym Geek. Retrieved 12:34, February 15, 2012, from http://www.acronymgeek.com/ZRDA |
| MLA | "ZRDA." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ZRDA>. |
| MHRA | 'ZRDA', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ZRDA> [accessed 15 February 2012] |
| Chicago | "ZRDA", http://www.acronymgeek.com/ZRDA (accessed February 15, 2012). |
| CBE/CSE | ZRDA [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ZRDA. |
| Bluebook | ZRDA, http://www.acronymgeek.com/ZRDA (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZRDA, http://www.acronymgeek.com/ZRDA (optional description here) (as of Feb. 15, 2012, 12:34). |
| AMA | ZRDA. Acronym Geek. February 15, 2012, 12:34. Available at: http://www.acronymgeek.com/ZRDA. Accessed February 15, 2012, 12:34. |