| APA | BPN. (2012, February 10). In Acronym Geek. Retrieved 11:26, February 10, 2012, from http://www.acronymgeek.com/BPN |
| MLA | "BPN." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/BPN>. |
| MHRA | 'BPN', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/BPN> [accessed 10 February 2012] |
| Chicago | "BPN", http://www.acronymgeek.com/BPN (accessed February 10, 2012). |
| CBE/CSE | BPN [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/BPN. |
| Bluebook | BPN, http://www.acronymgeek.com/BPN (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BPN, http://www.acronymgeek.com/BPN (optional description here) (as of Feb. 10, 2012, 11:26). |
| AMA | BPN. Acronym Geek. February 10, 2012, 11:26. Available at: http://www.acronymgeek.com/BPN. Accessed February 10, 2012, 11:26. |