| APA | OBPD. (2012, February 10). In Acronym Geek. Retrieved 12:29, February 10, 2012, from http://www.acronymgeek.com/OBPD |
| MLA | "OBPD." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/OBPD>. |
| MHRA | 'OBPD', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/OBPD> [accessed 10 February 2012] |
| Chicago | "OBPD", http://www.acronymgeek.com/OBPD (accessed February 10, 2012). |
| CBE/CSE | OBPD [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/OBPD. |
| Bluebook | OBPD, http://www.acronymgeek.com/OBPD (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OBPD, http://www.acronymgeek.com/OBPD (optional description here) (as of Feb. 10, 2012, 12:29). |
| AMA | OBPD. Acronym Geek. February 10, 2012, 12:29. Available at: http://www.acronymgeek.com/OBPD. Accessed February 10, 2012, 12:29. |