| APA | HBPD. (2012, February 10). In Acronym Geek. Retrieved 08:04, February 10, 2012, from http://www.acronymgeek.com/HBPD |
| MLA | "HBPD." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/HBPD>. |
| MHRA | 'HBPD', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/HBPD> [accessed 10 February 2012] |
| Chicago | "HBPD", http://www.acronymgeek.com/HBPD (accessed February 10, 2012). |
| CBE/CSE | HBPD [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/HBPD. |
| Bluebook | HBPD, http://www.acronymgeek.com/HBPD (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBPD, http://www.acronymgeek.com/HBPD (optional description here) (as of Feb. 10, 2012, 08:04). |
| AMA | HBPD. Acronym Geek. February 10, 2012, 08:04. Available at: http://www.acronymgeek.com/HBPD. Accessed February 10, 2012, 08:04. |