| APA | ZWI. (2012, February 14). In Acronym Geek. Retrieved 07:52, February 14, 2012, from http://www.acronymgeek.com/ZWI |
| MLA | "ZWI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ZWI>. |
| MHRA | 'ZWI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ZWI> [accessed 14 February 2012] |
| Chicago | "ZWI", http://www.acronymgeek.com/ZWI (accessed February 14, 2012). |
| CBE/CSE | ZWI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ZWI. |
| Bluebook | ZWI, http://www.acronymgeek.com/ZWI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZWI, http://www.acronymgeek.com/ZWI (optional description here) (as of Feb. 14, 2012, 07:52). |
| AMA | ZWI. Acronym Geek. February 14, 2012, 07:52. Available at: http://www.acronymgeek.com/ZWI. Accessed February 14, 2012, 07:52. |