| APA | PBQN. (2012, February 16). In Acronym Geek. Retrieved 08:41, February 16, 2012, from http://www.acronymgeek.com/PBQN |
| MLA | "PBQN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PBQN>. |
| MHRA | 'PBQN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PBQN> [accessed 16 February 2012] |
| Chicago | "PBQN", http://www.acronymgeek.com/PBQN (accessed February 16, 2012). |
| CBE/CSE | PBQN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PBQN. |
| Bluebook | PBQN, http://www.acronymgeek.com/PBQN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PBQN, http://www.acronymgeek.com/PBQN (optional description here) (as of Feb. 16, 2012, 08:41). |
| AMA | PBQN. Acronym Geek. February 16, 2012, 08:41. Available at: http://www.acronymgeek.com/PBQN. Accessed February 16, 2012, 08:41. |