| APA | LEIF. (2012, February 15). In Acronym Geek. Retrieved 14:22, February 15, 2012, from http://www.acronymgeek.com/LEIF |
| MLA | "LEIF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/LEIF>. |
| MHRA | 'LEIF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/LEIF> [accessed 15 February 2012] |
| Chicago | "LEIF", http://www.acronymgeek.com/LEIF (accessed February 15, 2012). |
| CBE/CSE | LEIF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/LEIF. |
| Bluebook | LEIF, http://www.acronymgeek.com/LEIF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LEIF, http://www.acronymgeek.com/LEIF (optional description here) (as of Feb. 15, 2012, 14:22). |
| AMA | LEIF. Acronym Geek. February 15, 2012, 14:22. Available at: http://www.acronymgeek.com/LEIF. Accessed February 15, 2012, 14:22. |