| APA | QDHA. (2012, February 14). In Acronym Geek. Retrieved 17:29, February 14, 2012, from http://www.acronymgeek.com/QDHA |
| MLA | "QDHA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/QDHA>. |
| MHRA | 'QDHA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/QDHA> [accessed 14 February 2012] |
| Chicago | "QDHA", http://www.acronymgeek.com/QDHA (accessed February 14, 2012). |
| CBE/CSE | QDHA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/QDHA. |
| Bluebook | QDHA, http://www.acronymgeek.com/QDHA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QDHA, http://www.acronymgeek.com/QDHA (optional description here) (as of Feb. 14, 2012, 17:29). |
| AMA | QDHA. Acronym Geek. February 14, 2012, 17:29. Available at: http://www.acronymgeek.com/QDHA. Accessed February 14, 2012, 17:29. |