| APA | QHSI. (2012, February 15). In Acronym Geek. Retrieved 21:03, February 15, 2012, from http://www.acronymgeek.com/QHSI |
| MLA | "QHSI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/QHSI>. |
| MHRA | 'QHSI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/QHSI> [accessed 15 February 2012] |
| Chicago | "QHSI", http://www.acronymgeek.com/QHSI (accessed February 15, 2012). |
| CBE/CSE | QHSI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/QHSI. |
| Bluebook | QHSI, http://www.acronymgeek.com/QHSI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QHSI, http://www.acronymgeek.com/QHSI (optional description here) (as of Feb. 15, 2012, 21:03). |
| AMA | QHSI. Acronym Geek. February 15, 2012, 21:03. Available at: http://www.acronymgeek.com/QHSI. Accessed February 15, 2012, 21:03. |