| APA | ETVL. (2012, February 11). In Acronym Geek. Retrieved 21:21, February 11, 2012, from http://www.acronymgeek.com/ETVL |
| MLA | "ETVL." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/ETVL>. |
| MHRA | 'ETVL', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/ETVL> [accessed 11 February 2012] |
| Chicago | "ETVL", http://www.acronymgeek.com/ETVL (accessed February 11, 2012). |
| CBE/CSE | ETVL [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/ETVL. |
| Bluebook | ETVL, http://www.acronymgeek.com/ETVL (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ETVL, http://www.acronymgeek.com/ETVL (optional description here) (as of Feb. 11, 2012, 21:21). |
| AMA | ETVL. Acronym Geek. February 11, 2012, 21:21. Available at: http://www.acronymgeek.com/ETVL. Accessed February 11, 2012, 21:21. |