| APA | LEK. (2012, February 15). In Acronym Geek. Retrieved 03:51, February 15, 2012, from http://www.acronymgeek.com/LEK |
| MLA | "LEK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/LEK>. |
| MHRA | 'LEK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/LEK> [accessed 15 February 2012] |
| Chicago | "LEK", http://www.acronymgeek.com/LEK (accessed February 15, 2012). |
| CBE/CSE | LEK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/LEK. |
| Bluebook | LEK, http://www.acronymgeek.com/LEK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LEK, http://www.acronymgeek.com/LEK (optional description here) (as of Feb. 15, 2012, 03:51). |
| AMA | LEK. Acronym Geek. February 15, 2012, 03:51. Available at: http://www.acronymgeek.com/LEK. Accessed February 15, 2012, 03:51. |