| APA | BPOU. (2012, February 14). In Acronym Geek. Retrieved 14:00, February 14, 2012, from http://www.acronymgeek.com/BPOU |
| MLA | "BPOU." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/BPOU>. |
| MHRA | 'BPOU', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/BPOU> [accessed 14 February 2012] |
| Chicago | "BPOU", http://www.acronymgeek.com/BPOU (accessed February 14, 2012). |
| CBE/CSE | BPOU [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/BPOU. |
| Bluebook | BPOU, http://www.acronymgeek.com/BPOU (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BPOU, http://www.acronymgeek.com/BPOU (optional description here) (as of Feb. 14, 2012, 14:00). |
| AMA | BPOU. Acronym Geek. February 14, 2012, 14:00. Available at: http://www.acronymgeek.com/BPOU. Accessed February 14, 2012, 14:00. |