| APA | ZWIS. (2012, February 15). In Acronym Geek. Retrieved 11:34, February 15, 2012, from http://www.acronymgeek.com/ZWIS |
| MLA | "ZWIS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ZWIS>. |
| MHRA | 'ZWIS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ZWIS> [accessed 15 February 2012] |
| Chicago | "ZWIS", http://www.acronymgeek.com/ZWIS (accessed February 15, 2012). |
| CBE/CSE | ZWIS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ZWIS. |
| Bluebook | ZWIS, http://www.acronymgeek.com/ZWIS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZWIS, http://www.acronymgeek.com/ZWIS (optional description here) (as of Feb. 15, 2012, 11:34). |
| AMA | ZWIS. Acronym Geek. February 15, 2012, 11:34. Available at: http://www.acronymgeek.com/ZWIS. Accessed February 15, 2012, 11:34. |