| APA | ELF. (2012, February 9). In Acronym Geek. Retrieved 02:22, February 9, 2012, from http://www.acronymgeek.com/ELF |
| MLA | "ELF." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/ELF>. |
| MHRA | 'ELF', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/ELF> [accessed 9 February 2012] |
| Chicago | "ELF", http://www.acronymgeek.com/ELF (accessed February 9, 2012). |
| CBE/CSE | ELF [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/ELF. |
| Bluebook | ELF, http://www.acronymgeek.com/ELF (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ELF, http://www.acronymgeek.com/ELF (optional description here) (as of Feb. 9, 2012, 02:22). |
| AMA | ELF. Acronym Geek. February 9, 2012, 02:22. Available at: http://www.acronymgeek.com/ELF. Accessed February 9, 2012, 02:22. |