| APA | ENVD. (2012, February 16). In Acronym Geek. Retrieved 11:23, February 16, 2012, from http://www.acronymgeek.com/ENVD |
| MLA | "ENVD." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ENVD>. |
| MHRA | 'ENVD', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ENVD> [accessed 16 February 2012] |
| Chicago | "ENVD", http://www.acronymgeek.com/ENVD (accessed February 16, 2012). |
| CBE/CSE | ENVD [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ENVD. |
| Bluebook | ENVD, http://www.acronymgeek.com/ENVD (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ENVD, http://www.acronymgeek.com/ENVD (optional description here) (as of Feb. 16, 2012, 11:23). |
| AMA | ENVD. Acronym Geek. February 16, 2012, 11:23. Available at: http://www.acronymgeek.com/ENVD. Accessed February 16, 2012, 11:23. |