| APA | HCDD. (2012, February 15). In Acronym Geek. Retrieved 22:25, February 15, 2012, from http://www.acronymgeek.com/HCDD |
| MLA | "HCDD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HCDD>. |
| MHRA | 'HCDD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HCDD> [accessed 15 February 2012] |
| Chicago | "HCDD", http://www.acronymgeek.com/HCDD (accessed February 15, 2012). |
| CBE/CSE | HCDD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HCDD. |
| Bluebook | HCDD, http://www.acronymgeek.com/HCDD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HCDD, http://www.acronymgeek.com/HCDD (optional description here) (as of Feb. 15, 2012, 22:25). |
| AMA | HCDD. Acronym Geek. February 15, 2012, 22:25. Available at: http://www.acronymgeek.com/HCDD. Accessed February 15, 2012, 22:25. |