| APA | HSDD. (2012, February 15). In Acronym Geek. Retrieved 23:15, February 15, 2012, from http://www.acronymgeek.com/HSDD |
| MLA | "HSDD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HSDD>. |
| MHRA | 'HSDD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HSDD> [accessed 15 February 2012] |
| Chicago | "HSDD", http://www.acronymgeek.com/HSDD (accessed February 15, 2012). |
| CBE/CSE | HSDD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HSDD. |
| Bluebook | HSDD, http://www.acronymgeek.com/HSDD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HSDD, http://www.acronymgeek.com/HSDD (optional description here) (as of Feb. 15, 2012, 23:15). |
| AMA | HSDD. Acronym Geek. February 15, 2012, 23:15. Available at: http://www.acronymgeek.com/HSDD. Accessed February 15, 2012, 23:15. |