| APA | QHX. (2012, February 13). In Acronym Geek. Retrieved 23:52, February 13, 2012, from http://www.acronymgeek.com/QHX |
| MLA | "QHX." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/QHX>. |
| MHRA | 'QHX', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/QHX> [accessed 13 February 2012] |
| Chicago | "QHX", http://www.acronymgeek.com/QHX (accessed February 13, 2012). |
| CBE/CSE | QHX [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/QHX. |
| Bluebook | QHX, http://www.acronymgeek.com/QHX (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QHX, http://www.acronymgeek.com/QHX (optional description here) (as of Feb. 13, 2012, 23:52). |
| AMA | QHX. Acronym Geek. February 13, 2012, 23:52. Available at: http://www.acronymgeek.com/QHX. Accessed February 13, 2012, 23:52. |