| APA | ZWD. (2012, February 11). In Acronym Geek. Retrieved 21:56, February 11, 2012, from http://www.acronymgeek.com/ZWD |
| MLA | "ZWD." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/ZWD>. |
| MHRA | 'ZWD', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/ZWD> [accessed 11 February 2012] |
| Chicago | "ZWD", http://www.acronymgeek.com/ZWD (accessed February 11, 2012). |
| CBE/CSE | ZWD [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/ZWD. |
| Bluebook | ZWD, http://www.acronymgeek.com/ZWD (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZWD, http://www.acronymgeek.com/ZWD (optional description here) (as of Feb. 11, 2012, 21:56). |
| AMA | ZWD. Acronym Geek. February 11, 2012, 21:56. Available at: http://www.acronymgeek.com/ZWD. Accessed February 11, 2012, 21:56. |