| APA | ENVL. (2012, February 16). In Acronym Geek. Retrieved 01:43, February 16, 2012, from http://www.acronymgeek.com/ENVL |
| MLA | "ENVL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ENVL>. |
| MHRA | 'ENVL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ENVL> [accessed 16 February 2012] |
| Chicago | "ENVL", http://www.acronymgeek.com/ENVL (accessed February 16, 2012). |
| CBE/CSE | ENVL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ENVL. |
| Bluebook | ENVL, http://www.acronymgeek.com/ENVL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ENVL, http://www.acronymgeek.com/ENVL (optional description here) (as of Feb. 16, 2012, 01:43). |
| AMA | ENVL. Acronym Geek. February 16, 2012, 01:43. Available at: http://www.acronymgeek.com/ENVL. Accessed February 16, 2012, 01:43. |