| APA | PDEL. (2012, February 16). In Acronym Geek. Retrieved 10:27, February 16, 2012, from http://www.acronymgeek.com/PDEL |
| MLA | "PDEL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PDEL>. |
| MHRA | 'PDEL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PDEL> [accessed 16 February 2012] |
| Chicago | "PDEL", http://www.acronymgeek.com/PDEL (accessed February 16, 2012). |
| CBE/CSE | PDEL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PDEL. |
| Bluebook | PDEL, http://www.acronymgeek.com/PDEL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PDEL, http://www.acronymgeek.com/PDEL (optional description here) (as of Feb. 16, 2012, 10:27). |
| AMA | PDEL. Acronym Geek. February 16, 2012, 10:27. Available at: http://www.acronymgeek.com/PDEL. Accessed February 16, 2012, 10:27. |