| APA | LEI. (2012, February 14). In Acronym Geek. Retrieved 02:28, February 14, 2012, from http://www.acronymgeek.com/LEI |
| MLA | "LEI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/LEI>. |
| MHRA | 'LEI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/LEI> [accessed 14 February 2012] |
| Chicago | "LEI", http://www.acronymgeek.com/LEI (accessed February 14, 2012). |
| CBE/CSE | LEI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/LEI. |
| Bluebook | LEI, http://www.acronymgeek.com/LEI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LEI, http://www.acronymgeek.com/LEI (optional description here) (as of Feb. 14, 2012, 02:28). |
| AMA | LEI. Acronym Geek. February 14, 2012, 02:28. Available at: http://www.acronymgeek.com/LEI. Accessed February 14, 2012, 02:28. |