| APA | PBWU. (2012, February 14). In Acronym Geek. Retrieved 14:19, February 14, 2012, from http://www.acronymgeek.com/PBWU |
| MLA | "PBWU." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PBWU>. |
| MHRA | 'PBWU', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PBWU> [accessed 14 February 2012] |
| Chicago | "PBWU", http://www.acronymgeek.com/PBWU (accessed February 14, 2012). |
| CBE/CSE | PBWU [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PBWU. |
| Bluebook | PBWU, http://www.acronymgeek.com/PBWU (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PBWU, http://www.acronymgeek.com/PBWU (optional description here) (as of Feb. 14, 2012, 14:19). |
| AMA | PBWU. Acronym Geek. February 14, 2012, 14:19. Available at: http://www.acronymgeek.com/PBWU. Accessed February 14, 2012, 14:19. |