| APA | XHS. (2012, February 14). In Acronym Geek. Retrieved 06:40, February 14, 2012, from http://www.acronymgeek.com/XHS |
| MLA | "XHS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/XHS>. |
| MHRA | 'XHS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/XHS> [accessed 14 February 2012] |
| Chicago | "XHS", http://www.acronymgeek.com/XHS (accessed February 14, 2012). |
| CBE/CSE | XHS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/XHS. |
| Bluebook | XHS, http://www.acronymgeek.com/XHS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XHS, http://www.acronymgeek.com/XHS (optional description here) (as of Feb. 14, 2012, 06:40). |
| AMA | XHS. Acronym Geek. February 14, 2012, 06:40. Available at: http://www.acronymgeek.com/XHS. Accessed February 14, 2012, 06:40. |