| APA | HBPN. (2012, February 15). In Acronym Geek. Retrieved 16:29, February 15, 2012, from http://www.acronymgeek.com/HBPN |
| MLA | "HBPN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HBPN>. |
| MHRA | 'HBPN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HBPN> [accessed 15 February 2012] |
| Chicago | "HBPN", http://www.acronymgeek.com/HBPN (accessed February 15, 2012). |
| CBE/CSE | HBPN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HBPN. |
| Bluebook | HBPN, http://www.acronymgeek.com/HBPN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBPN, http://www.acronymgeek.com/HBPN (optional description here) (as of Feb. 15, 2012, 16:29). |
| AMA | HBPN. Acronym Geek. February 15, 2012, 16:29. Available at: http://www.acronymgeek.com/HBPN. Accessed February 15, 2012, 16:29. |