| APA | LETX. (2012, February 12). In Acronym Geek. Retrieved 07:12, February 12, 2012, from http://www.acronymgeek.com/LETX |
| MLA | "LETX." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/LETX>. |
| MHRA | 'LETX', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/LETX> [accessed 12 February 2012] |
| Chicago | "LETX", http://www.acronymgeek.com/LETX (accessed February 12, 2012). |
| CBE/CSE | LETX [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/LETX. |
| Bluebook | LETX, http://www.acronymgeek.com/LETX (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LETX, http://www.acronymgeek.com/LETX (optional description here) (as of Feb. 12, 2012, 07:12). |
| AMA | LETX. Acronym Geek. February 12, 2012, 07:12. Available at: http://www.acronymgeek.com/LETX. Accessed February 12, 2012, 07:12. |