| APA | ETLN. (2012, February 16). In Acronym Geek. Retrieved 11:43, February 16, 2012, from http://www.acronymgeek.com/ETLN |
| MLA | "ETLN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ETLN>. |
| MHRA | 'ETLN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ETLN> [accessed 16 February 2012] |
| Chicago | "ETLN", http://www.acronymgeek.com/ETLN (accessed February 16, 2012). |
| CBE/CSE | ETLN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ETLN. |
| Bluebook | ETLN, http://www.acronymgeek.com/ETLN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ETLN, http://www.acronymgeek.com/ETLN (optional description here) (as of Feb. 16, 2012, 11:43). |
| AMA | ETLN. Acronym Geek. February 16, 2012, 11:43. Available at: http://www.acronymgeek.com/ETLN. Accessed February 16, 2012, 11:43. |