| APA | HQSD. (2012, February 17). In Acronym Geek. Retrieved 00:22, February 17, 2012, from http://www.acronymgeek.com/HQSD |
| MLA | "HQSD." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/HQSD>. |
| MHRA | 'HQSD', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/HQSD> [accessed 17 February 2012] |
| Chicago | "HQSD", http://www.acronymgeek.com/HQSD (accessed February 17, 2012). |
| CBE/CSE | HQSD [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/HQSD. |
| Bluebook | HQSD, http://www.acronymgeek.com/HQSD (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HQSD, http://www.acronymgeek.com/HQSD (optional description here) (as of Feb. 17, 2012, 00:22). |
| AMA | HQSD. Acronym Geek. February 17, 2012, 00:22. Available at: http://www.acronymgeek.com/HQSD. Accessed February 17, 2012, 00:22. |