| APA | BDUP. (2012, February 16). In Acronym Geek. Retrieved 01:26, February 16, 2012, from http://www.acronymgeek.com/BDUP |
| MLA | "BDUP." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/BDUP>. |
| MHRA | 'BDUP', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/BDUP> [accessed 16 February 2012] |
| Chicago | "BDUP", http://www.acronymgeek.com/BDUP (accessed February 16, 2012). |
| CBE/CSE | BDUP [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/BDUP. |
| Bluebook | BDUP, http://www.acronymgeek.com/BDUP (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BDUP, http://www.acronymgeek.com/BDUP (optional description here) (as of Feb. 16, 2012, 01:26). |
| AMA | BDUP. Acronym Geek. February 16, 2012, 01:26. Available at: http://www.acronymgeek.com/BDUP. Accessed February 16, 2012, 01:26. |