| APA | BDH. (2012, February 13). In Acronym Geek. Retrieved 23:56, February 13, 2012, from http://www.acronymgeek.com/BDH |
| MLA | "BDH." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/BDH>. |
| MHRA | 'BDH', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/BDH> [accessed 13 February 2012] |
| Chicago | "BDH", http://www.acronymgeek.com/BDH (accessed February 13, 2012). |
| CBE/CSE | BDH [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/BDH. |
| Bluebook | BDH, http://www.acronymgeek.com/BDH (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BDH, http://www.acronymgeek.com/BDH (optional description here) (as of Feb. 13, 2012, 23:56). |
| AMA | BDH. Acronym Geek. February 13, 2012, 23:56. Available at: http://www.acronymgeek.com/BDH. Accessed February 13, 2012, 23:56. |