| APA | HDB. (2012, February 14). In Acronym Geek. Retrieved 04:11, February 14, 2012, from http://www.acronymgeek.com/HDB |
| MLA | "HDB." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HDB>. |
| MHRA | 'HDB', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HDB> [accessed 14 February 2012] |
| Chicago | "HDB", http://www.acronymgeek.com/HDB (accessed February 14, 2012). |
| CBE/CSE | HDB [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HDB. |
| Bluebook | HDB, http://www.acronymgeek.com/HDB (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HDB, http://www.acronymgeek.com/HDB (optional description here) (as of Feb. 14, 2012, 04:11). |
| AMA | HDB. Acronym Geek. February 14, 2012, 04:11. Available at: http://www.acronymgeek.com/HDB. Accessed February 14, 2012, 04:11. |