| APA | HDAS. (2012, February 16). In Acronym Geek. Retrieved 06:34, February 16, 2012, from http://www.acronymgeek.com/HDAS |
| MLA | "HDAS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HDAS>. |
| MHRA | 'HDAS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HDAS> [accessed 16 February 2012] |
| Chicago | "HDAS", http://www.acronymgeek.com/HDAS (accessed February 16, 2012). |
| CBE/CSE | HDAS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HDAS. |
| Bluebook | HDAS, http://www.acronymgeek.com/HDAS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HDAS, http://www.acronymgeek.com/HDAS (optional description here) (as of Feb. 16, 2012, 06:34). |
| AMA | HDAS. Acronym Geek. February 16, 2012, 06:34. Available at: http://www.acronymgeek.com/HDAS. Accessed February 16, 2012, 06:34. |