| APA | XLEL. (2012, February 15). In Acronym Geek. Retrieved 23:57, February 15, 2012, from http://www.acronymgeek.com/XLEL |
| MLA | "XLEL." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/XLEL>. |
| MHRA | 'XLEL', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/XLEL> [accessed 15 February 2012] |
| Chicago | "XLEL", http://www.acronymgeek.com/XLEL (accessed February 15, 2012). |
| CBE/CSE | XLEL [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/XLEL. |
| Bluebook | XLEL, http://www.acronymgeek.com/XLEL (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XLEL, http://www.acronymgeek.com/XLEL (optional description here) (as of Feb. 15, 2012, 23:57). |
| AMA | XLEL. Acronym Geek. February 15, 2012, 23:57. Available at: http://www.acronymgeek.com/XLEL. Accessed February 15, 2012, 23:57. |