| APA | PNDB. (2012, February 15). In Acronym Geek. Retrieved 22:46, February 15, 2012, from http://www.acronymgeek.com/PNDB |
| MLA | "PNDB." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PNDB>. |
| MHRA | 'PNDB', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PNDB> [accessed 15 February 2012] |
| Chicago | "PNDB", http://www.acronymgeek.com/PNDB (accessed February 15, 2012). |
| CBE/CSE | PNDB [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PNDB. |
| Bluebook | PNDB, http://www.acronymgeek.com/PNDB (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PNDB, http://www.acronymgeek.com/PNDB (optional description here) (as of Feb. 15, 2012, 22:46). |
| AMA | PNDB. Acronym Geek. February 15, 2012, 22:46. Available at: http://www.acronymgeek.com/PNDB. Accessed February 15, 2012, 22:46. |