| APA | ELX. (2012, February 11). In Acronym Geek. Retrieved 17:12, February 11, 2012, from http://www.acronymgeek.com/ELX |
| MLA | "ELX." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/ELX>. |
| MHRA | 'ELX', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/ELX> [accessed 11 February 2012] |
| Chicago | "ELX", http://www.acronymgeek.com/ELX (accessed February 11, 2012). |
| CBE/CSE | ELX [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/ELX. |
| Bluebook | ELX, http://www.acronymgeek.com/ELX (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ELX, http://www.acronymgeek.com/ELX (optional description here) (as of Feb. 11, 2012, 17:12). |
| AMA | ELX. Acronym Geek. February 11, 2012, 17:12. Available at: http://www.acronymgeek.com/ELX. Accessed February 11, 2012, 17:12. |