| APA | ZEAS. (2012, February 10). In Acronym Geek. Retrieved 17:43, February 10, 2012, from http://www.acronymgeek.com/ZEAS |
| MLA | "ZEAS." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/ZEAS>. |
| MHRA | 'ZEAS', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/ZEAS> [accessed 10 February 2012] |
| Chicago | "ZEAS", http://www.acronymgeek.com/ZEAS (accessed February 10, 2012). |
| CBE/CSE | ZEAS [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/ZEAS. |
| Bluebook | ZEAS, http://www.acronymgeek.com/ZEAS (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZEAS, http://www.acronymgeek.com/ZEAS (optional description here) (as of Feb. 10, 2012, 17:43). |
| AMA | ZEAS. Acronym Geek. February 10, 2012, 17:43. Available at: http://www.acronymgeek.com/ZEAS. Accessed February 10, 2012, 17:43. |