| APA | POPB. (2012, February 17). In Acronym Geek. Retrieved 04:58, February 17, 2012, from http://www.acronymgeek.com/POPB |
| MLA | "POPB." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/POPB>. |
| MHRA | 'POPB', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/POPB> [accessed 17 February 2012] |
| Chicago | "POPB", http://www.acronymgeek.com/POPB (accessed February 17, 2012). |
| CBE/CSE | POPB [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/POPB. |
| Bluebook | POPB, http://www.acronymgeek.com/POPB (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, POPB, http://www.acronymgeek.com/POPB (optional description here) (as of Feb. 17, 2012, 04:58). |
| AMA | POPB. Acronym Geek. February 17, 2012, 04:58. Available at: http://www.acronymgeek.com/POPB. Accessed February 17, 2012, 04:58. |