| APA | DP&E. (2012, February 11). In Acronym Geek. Retrieved 17:38, February 11, 2012, from http://www.acronymgeek.com/DP&E |
| MLA | "DP&E." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/DP&E>. |
| MHRA | 'DP&E', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/DP&E> [accessed 11 February 2012] |
| Chicago | "DP&E", http://www.acronymgeek.com/DP&E (accessed February 11, 2012). |
| CBE/CSE | DP&E [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/DP&E. |
| Bluebook | DP&E, http://www.acronymgeek.com/DP&E (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DP&E, http://www.acronymgeek.com/DP&E (optional description here) (as of Feb. 11, 2012, 17:38). |
| AMA | DP&E. Acronym Geek. February 11, 2012, 17:38. Available at: http://www.acronymgeek.com/DP&E. Accessed February 11, 2012, 17:38. |