| APA | ENVV. (2012, February 14). In Acronym Geek. Retrieved 20:07, February 14, 2012, from http://www.acronymgeek.com/ENVV |
| MLA | "ENVV." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ENVV>. |
| MHRA | 'ENVV', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ENVV> [accessed 14 February 2012] |
| Chicago | "ENVV", http://www.acronymgeek.com/ENVV (accessed February 14, 2012). |
| CBE/CSE | ENVV [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ENVV. |
| Bluebook | ENVV, http://www.acronymgeek.com/ENVV (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ENVV, http://www.acronymgeek.com/ENVV (optional description here) (as of Feb. 14, 2012, 20:07). |
| AMA | ENVV. Acronym Geek. February 14, 2012, 20:07. Available at: http://www.acronymgeek.com/ENVV. Accessed February 14, 2012, 20:07. |