| APA | HDS. (2012, February 13). In Acronym Geek. Retrieved 22:56, February 13, 2012, from http://www.acronymgeek.com/HDS |
| MLA | "HDS." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/HDS>. |
| MHRA | 'HDS', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/HDS> [accessed 13 February 2012] |
| Chicago | "HDS", http://www.acronymgeek.com/HDS (accessed February 13, 2012). |
| CBE/CSE | HDS [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/HDS. |
| Bluebook | HDS, http://www.acronymgeek.com/HDS (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HDS, http://www.acronymgeek.com/HDS (optional description here) (as of Feb. 13, 2012, 22:56). |
| AMA | HDS. Acronym Geek. February 13, 2012, 22:56. Available at: http://www.acronymgeek.com/HDS. Accessed February 13, 2012, 22:56. |