| APA | PDS. (2012, February 14). In Acronym Geek. Retrieved 10:10, February 14, 2012, from http://www.acronymgeek.com/PDS |
| MLA | "PDS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PDS>. |
| MHRA | 'PDS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PDS> [accessed 14 February 2012] |
| Chicago | "PDS", http://www.acronymgeek.com/PDS (accessed February 14, 2012). |
| CBE/CSE | PDS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PDS. |
| Bluebook | PDS, http://www.acronymgeek.com/PDS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PDS, http://www.acronymgeek.com/PDS (optional description here) (as of Feb. 14, 2012, 10:10). |
| AMA | PDS. Acronym Geek. February 14, 2012, 10:10. Available at: http://www.acronymgeek.com/PDS. Accessed February 14, 2012, 10:10. |