| APA | QHTN. (2012, February 14). In Acronym Geek. Retrieved 12:45, February 14, 2012, from http://www.acronymgeek.com/QHTN |
| MLA | "QHTN." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/QHTN>. |
| MHRA | 'QHTN', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/QHTN> [accessed 14 February 2012] |
| Chicago | "QHTN", http://www.acronymgeek.com/QHTN (accessed February 14, 2012). |
| CBE/CSE | QHTN [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/QHTN. |
| Bluebook | QHTN, http://www.acronymgeek.com/QHTN (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QHTN, http://www.acronymgeek.com/QHTN (optional description here) (as of Feb. 14, 2012, 12:45). |
| AMA | QHTN. Acronym Geek. February 14, 2012, 12:45. Available at: http://www.acronymgeek.com/QHTN. Accessed February 14, 2012, 12:45. |