| APA | HBDG. (2012, February 15). In Acronym Geek. Retrieved 20:25, February 15, 2012, from http://www.acronymgeek.com/HBDG |
| MLA | "HBDG." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HBDG>. |
| MHRA | 'HBDG', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HBDG> [accessed 15 February 2012] |
| Chicago | "HBDG", http://www.acronymgeek.com/HBDG (accessed February 15, 2012). |
| CBE/CSE | HBDG [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HBDG. |
| Bluebook | HBDG, http://www.acronymgeek.com/HBDG (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBDG, http://www.acronymgeek.com/HBDG (optional description here) (as of Feb. 15, 2012, 20:25). |
| AMA | HBDG. Acronym Geek. February 15, 2012, 20:25. Available at: http://www.acronymgeek.com/HBDG. Accessed February 15, 2012, 20:25. |