| APA | PDKB. (2012, February 14). In Acronym Geek. Retrieved 12:26, February 14, 2012, from http://www.acronymgeek.com/PDKB |
| MLA | "PDKB." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PDKB>. |
| MHRA | 'PDKB', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PDKB> [accessed 14 February 2012] |
| Chicago | "PDKB", http://www.acronymgeek.com/PDKB (accessed February 14, 2012). |
| CBE/CSE | PDKB [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PDKB. |
| Bluebook | PDKB, http://www.acronymgeek.com/PDKB (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PDKB, http://www.acronymgeek.com/PDKB (optional description here) (as of Feb. 14, 2012, 12:26). |
| AMA | PDKB. Acronym Geek. February 14, 2012, 12:26. Available at: http://www.acronymgeek.com/PDKB. Accessed February 14, 2012, 12:26. |