| APA | ENVSD. (2012, February 12). In Acronym Geek. Retrieved 16:43, February 12, 2012, from http://www.acronymgeek.com/ENVSD |
| MLA | "ENVSD." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/ENVSD>. |
| MHRA | 'ENVSD', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/ENVSD> [accessed 12 February 2012] |
| Chicago | "ENVSD", http://www.acronymgeek.com/ENVSD (accessed February 12, 2012). |
| CBE/CSE | ENVSD [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/ENVSD. |
| Bluebook | ENVSD, http://www.acronymgeek.com/ENVSD (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ENVSD, http://www.acronymgeek.com/ENVSD (optional description here) (as of Feb. 12, 2012, 16:43). |
| AMA | ENVSD. Acronym Geek. February 12, 2012, 16:43. Available at: http://www.acronymgeek.com/ENVSD. Accessed February 12, 2012, 16:43. |