| APA | ZEAL. (2012, February 16). In Acronym Geek. Retrieved 05:16, February 16, 2012, from http://www.acronymgeek.com/ZEAL |
| MLA | "ZEAL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ZEAL>. |
| MHRA | 'ZEAL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ZEAL> [accessed 16 February 2012] |
| Chicago | "ZEAL", http://www.acronymgeek.com/ZEAL (accessed February 16, 2012). |
| CBE/CSE | ZEAL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ZEAL. |
| Bluebook | ZEAL, http://www.acronymgeek.com/ZEAL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZEAL, http://www.acronymgeek.com/ZEAL (optional description here) (as of Feb. 16, 2012, 05:16). |
| AMA | ZEAL. Acronym Geek. February 16, 2012, 05:16. Available at: http://www.acronymgeek.com/ZEAL. Accessed February 16, 2012, 05:16. |