| APA | HXIA. (2012, February 15). In Acronym Geek. Retrieved 06:58, February 15, 2012, from http://www.acronymgeek.com/HXIA |
| MLA | "HXIA." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HXIA>. |
| MHRA | 'HXIA', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HXIA> [accessed 15 February 2012] |
| Chicago | "HXIA", http://www.acronymgeek.com/HXIA (accessed February 15, 2012). |
| CBE/CSE | HXIA [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HXIA. |
| Bluebook | HXIA, http://www.acronymgeek.com/HXIA (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HXIA, http://www.acronymgeek.com/HXIA (optional description here) (as of Feb. 15, 2012, 06:58). |
| AMA | HXIA. Acronym Geek. February 15, 2012, 06:58. Available at: http://www.acronymgeek.com/HXIA. Accessed February 15, 2012, 06:58. |