| APA | DBUP. (2012, February 17). In Acronym Geek. Retrieved 05:37, February 17, 2012, from http://www.acronymgeek.com/DBUP |
| MLA | "DBUP." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/DBUP>. |
| MHRA | 'DBUP', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/DBUP> [accessed 17 February 2012] |
| Chicago | "DBUP", http://www.acronymgeek.com/DBUP (accessed February 17, 2012). |
| CBE/CSE | DBUP [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/DBUP. |
| Bluebook | DBUP, http://www.acronymgeek.com/DBUP (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DBUP, http://www.acronymgeek.com/DBUP (optional description here) (as of Feb. 17, 2012, 05:37). |
| AMA | DBUP. Acronym Geek. February 17, 2012, 05:37. Available at: http://www.acronymgeek.com/DBUP. Accessed February 17, 2012, 05:37. |