| APA | PADI. (2012, February 10). In Acronym Geek. Retrieved 12:39, February 10, 2012, from http://www.acronymgeek.com/PADI |
| MLA | "PADI." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/PADI>. |
| MHRA | 'PADI', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/PADI> [accessed 10 February 2012] |
| Chicago | "PADI", http://www.acronymgeek.com/PADI (accessed February 10, 2012). |
| CBE/CSE | PADI [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/PADI. |
| Bluebook | PADI, http://www.acronymgeek.com/PADI (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PADI, http://www.acronymgeek.com/PADI (optional description here) (as of Feb. 10, 2012, 12:39). |
| AMA | PADI. Acronym Geek. February 10, 2012, 12:39. Available at: http://www.acronymgeek.com/PADI. Accessed February 10, 2012, 12:39. |