| APA | QHZ. (2012, February 11). In Acronym Geek. Retrieved 21:58, February 11, 2012, from http://www.acronymgeek.com/QHZ |
| MLA | "QHZ." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/QHZ>. |
| MHRA | 'QHZ', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/QHZ> [accessed 11 February 2012] |
| Chicago | "QHZ", http://www.acronymgeek.com/QHZ (accessed February 11, 2012). |
| CBE/CSE | QHZ [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/QHZ. |
| Bluebook | QHZ, http://www.acronymgeek.com/QHZ (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QHZ, http://www.acronymgeek.com/QHZ (optional description here) (as of Feb. 11, 2012, 21:58). |
| AMA | QHZ. Acronym Geek. February 11, 2012, 21:58. Available at: http://www.acronymgeek.com/QHZ. Accessed February 11, 2012, 21:58. |