| APA | XHSM. (2012, February 17). In Acronym Geek. Retrieved 07:45, February 17, 2012, from http://www.acronymgeek.com/XHSM |
| MLA | "XHSM." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/XHSM>. |
| MHRA | 'XHSM', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/XHSM> [accessed 17 February 2012] |
| Chicago | "XHSM", http://www.acronymgeek.com/XHSM (accessed February 17, 2012). |
| CBE/CSE | XHSM [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/XHSM. |
| Bluebook | XHSM, http://www.acronymgeek.com/XHSM (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XHSM, http://www.acronymgeek.com/XHSM (optional description here) (as of Feb. 17, 2012, 07:45). |
| AMA | XHSM. Acronym Geek. February 17, 2012, 07:45. Available at: http://www.acronymgeek.com/XHSM. Accessed February 17, 2012, 07:45. |