| APA | HPB. (2012, February 14). In Acronym Geek. Retrieved 09:47, February 14, 2012, from http://www.acronymgeek.com/HPB |
| MLA | "HPB." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HPB>. |
| MHRA | 'HPB', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HPB> [accessed 14 February 2012] |
| Chicago | "HPB", http://www.acronymgeek.com/HPB (accessed February 14, 2012). |
| CBE/CSE | HPB [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HPB. |
| Bluebook | HPB, http://www.acronymgeek.com/HPB (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HPB, http://www.acronymgeek.com/HPB (optional description here) (as of Feb. 14, 2012, 09:47). |
| AMA | HPB. Acronym Geek. February 14, 2012, 09:47. Available at: http://www.acronymgeek.com/HPB. Accessed February 14, 2012, 09:47. |