| APA | DHSO. (2012, February 17). In Acronym Geek. Retrieved 08:15, February 17, 2012, from http://www.acronymgeek.com/DHSO |
| MLA | "DHSO." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/DHSO>. |
| MHRA | 'DHSO', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/DHSO> [accessed 17 February 2012] |
| Chicago | "DHSO", http://www.acronymgeek.com/DHSO (accessed February 17, 2012). |
| CBE/CSE | DHSO [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/DHSO. |
| Bluebook | DHSO, http://www.acronymgeek.com/DHSO (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DHSO, http://www.acronymgeek.com/DHSO (optional description here) (as of Feb. 17, 2012, 08:15). |
| AMA | DHSO. Acronym Geek. February 17, 2012, 08:15. Available at: http://www.acronymgeek.com/DHSO. Accessed February 17, 2012, 08:15. |