| APA | ETLE. (2012, February 15). In Acronym Geek. Retrieved 22:42, February 15, 2012, from http://www.acronymgeek.com/ETLE |
| MLA | "ETLE." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ETLE>. |
| MHRA | 'ETLE', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ETLE> [accessed 15 February 2012] |
| Chicago | "ETLE", http://www.acronymgeek.com/ETLE (accessed February 15, 2012). |
| CBE/CSE | ETLE [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ETLE. |
| Bluebook | ETLE, http://www.acronymgeek.com/ETLE (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ETLE, http://www.acronymgeek.com/ETLE (optional description here) (as of Feb. 15, 2012, 22:42). |
| AMA | ETLE. Acronym Geek. February 15, 2012, 22:42. Available at: http://www.acronymgeek.com/ETLE. Accessed February 15, 2012, 22:42. |