| APA | ENZN. (2012, February 12). In Acronym Geek. Retrieved 12:43, February 12, 2012, from http://www.acronymgeek.com/ENZN |
| MLA | "ENZN." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/ENZN>. |
| MHRA | 'ENZN', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/ENZN> [accessed 12 February 2012] |
| Chicago | "ENZN", http://www.acronymgeek.com/ENZN (accessed February 12, 2012). |
| CBE/CSE | ENZN [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/ENZN. |
| Bluebook | ENZN, http://www.acronymgeek.com/ENZN (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ENZN, http://www.acronymgeek.com/ENZN (optional description here) (as of Feb. 12, 2012, 12:43). |
| AMA | ENZN. Acronym Geek. February 12, 2012, 12:43. Available at: http://www.acronymgeek.com/ENZN. Accessed February 12, 2012, 12:43. |