| APA | ZES. (2012, February 14). In Acronym Geek. Retrieved 09:18, February 14, 2012, from http://www.acronymgeek.com/ZES |
| MLA | "ZES." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ZES>. |
| MHRA | 'ZES', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ZES> [accessed 14 February 2012] |
| Chicago | "ZES", http://www.acronymgeek.com/ZES (accessed February 14, 2012). |
| CBE/CSE | ZES [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ZES. |
| Bluebook | ZES, http://www.acronymgeek.com/ZES (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZES, http://www.acronymgeek.com/ZES (optional description here) (as of Feb. 14, 2012, 09:18). |
| AMA | ZES. Acronym Geek. February 14, 2012, 09:18. Available at: http://www.acronymgeek.com/ZES. Accessed February 14, 2012, 09:18. |