| APA | ZWK. (2012, February 14). In Acronym Geek. Retrieved 09:45, February 14, 2012, from http://www.acronymgeek.com/ZWK |
| MLA | "ZWK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ZWK>. |
| MHRA | 'ZWK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ZWK> [accessed 14 February 2012] |
| Chicago | "ZWK", http://www.acronymgeek.com/ZWK (accessed February 14, 2012). |
| CBE/CSE | ZWK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ZWK. |
| Bluebook | ZWK, http://www.acronymgeek.com/ZWK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZWK, http://www.acronymgeek.com/ZWK (optional description here) (as of Feb. 14, 2012, 09:45). |
| AMA | ZWK. Acronym Geek. February 14, 2012, 09:45. Available at: http://www.acronymgeek.com/ZWK. Accessed February 14, 2012, 09:45. |