| APA | QDHC. (2012, February 16). In Acronym Geek. Retrieved 15:08, February 16, 2012, from http://www.acronymgeek.com/QDHC |
| MLA | "QDHC." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/QDHC>. |
| MHRA | 'QDHC', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/QDHC> [accessed 16 February 2012] |
| Chicago | "QDHC", http://www.acronymgeek.com/QDHC (accessed February 16, 2012). |
| CBE/CSE | QDHC [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/QDHC. |
| Bluebook | QDHC, http://www.acronymgeek.com/QDHC (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QDHC, http://www.acronymgeek.com/QDHC (optional description here) (as of Feb. 16, 2012, 15:08). |
| AMA | QDHC. Acronym Geek. February 16, 2012, 15:08. Available at: http://www.acronymgeek.com/QDHC. Accessed February 16, 2012, 15:08. |