| APA | HQSI. (2012, February 14). In Acronym Geek. Retrieved 18:54, February 14, 2012, from http://www.acronymgeek.com/HQSI |
| MLA | "HQSI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HQSI>. |
| MHRA | 'HQSI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HQSI> [accessed 14 February 2012] |
| Chicago | "HQSI", http://www.acronymgeek.com/HQSI (accessed February 14, 2012). |
| CBE/CSE | HQSI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HQSI. |
| Bluebook | HQSI, http://www.acronymgeek.com/HQSI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HQSI, http://www.acronymgeek.com/HQSI (optional description here) (as of Feb. 14, 2012, 18:54). |
| AMA | HQSI. Acronym Geek. February 14, 2012, 18:54. Available at: http://www.acronymgeek.com/HQSI. Accessed February 14, 2012, 18:54. |