| APA | XHW. (2012, February 13). In Acronym Geek. Retrieved 23:45, February 13, 2012, from http://www.acronymgeek.com/XHW |
| MLA | "XHW." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/XHW>. |
| MHRA | 'XHW', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/XHW> [accessed 13 February 2012] |
| Chicago | "XHW", http://www.acronymgeek.com/XHW (accessed February 13, 2012). |
| CBE/CSE | XHW [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/XHW. |
| Bluebook | XHW, http://www.acronymgeek.com/XHW (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XHW, http://www.acronymgeek.com/XHW (optional description here) (as of Feb. 13, 2012, 23:45). |
| AMA | XHW. Acronym Geek. February 13, 2012, 23:45. Available at: http://www.acronymgeek.com/XHW. Accessed February 13, 2012, 23:45. |