| APA | DPUL. (2012, February 14). In Acronym Geek. Retrieved 17:30, February 14, 2012, from http://www.acronymgeek.com/DPUL |
| MLA | "DPUL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DPUL>. |
| MHRA | 'DPUL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DPUL> [accessed 14 February 2012] |
| Chicago | "DPUL", http://www.acronymgeek.com/DPUL (accessed February 14, 2012). |
| CBE/CSE | DPUL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DPUL. |
| Bluebook | DPUL, http://www.acronymgeek.com/DPUL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DPUL, http://www.acronymgeek.com/DPUL (optional description here) (as of Feb. 14, 2012, 17:30). |
| AMA | DPUL. Acronym Geek. February 14, 2012, 17:30. Available at: http://www.acronymgeek.com/DPUL. Accessed February 14, 2012, 17:30. |