| APA | PADN. (2012, February 16). In Acronym Geek. Retrieved 13:31, February 16, 2012, from http://www.acronymgeek.com/PADN |
| MLA | "PADN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PADN>. |
| MHRA | 'PADN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PADN> [accessed 16 February 2012] |
| Chicago | "PADN", http://www.acronymgeek.com/PADN (accessed February 16, 2012). |
| CBE/CSE | PADN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PADN. |
| Bluebook | PADN, http://www.acronymgeek.com/PADN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PADN, http://www.acronymgeek.com/PADN (optional description here) (as of Feb. 16, 2012, 13:31). |
| AMA | PADN. Acronym Geek. February 16, 2012, 13:31. Available at: http://www.acronymgeek.com/PADN. Accessed February 16, 2012, 13:31. |