| APA | ETLF. (2012, February 16). In Acronym Geek. Retrieved 14:43, February 16, 2012, from http://www.acronymgeek.com/ETLF |
| MLA | "ETLF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ETLF>. |
| MHRA | 'ETLF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ETLF> [accessed 16 February 2012] |
| Chicago | "ETLF", http://www.acronymgeek.com/ETLF (accessed February 16, 2012). |
| CBE/CSE | ETLF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ETLF. |
| Bluebook | ETLF, http://www.acronymgeek.com/ETLF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ETLF, http://www.acronymgeek.com/ETLF (optional description here) (as of Feb. 16, 2012, 14:43). |
| AMA | ETLF. Acronym Geek. February 16, 2012, 14:43. Available at: http://www.acronymgeek.com/ETLF. Accessed February 16, 2012, 14:43. |