| APA | XLHS. (2012, February 16). In Acronym Geek. Retrieved 00:52, February 16, 2012, from http://www.acronymgeek.com/XLHS |
| MLA | "XLHS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/XLHS>. |
| MHRA | 'XLHS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/XLHS> [accessed 16 February 2012] |
| Chicago | "XLHS", http://www.acronymgeek.com/XLHS (accessed February 16, 2012). |
| CBE/CSE | XLHS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/XLHS. |
| Bluebook | XLHS, http://www.acronymgeek.com/XLHS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XLHS, http://www.acronymgeek.com/XLHS (optional description here) (as of Feb. 16, 2012, 00:52). |
| AMA | XLHS. Acronym Geek. February 16, 2012, 00:52. Available at: http://www.acronymgeek.com/XLHS. Accessed February 16, 2012, 00:52. |