| APA | DUUM. (2012, February 15). In Acronym Geek. Retrieved 07:08, February 15, 2012, from http://www.acronymgeek.com/DUUM |
| MLA | "DUUM." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DUUM>. |
| MHRA | 'DUUM', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DUUM> [accessed 15 February 2012] |
| Chicago | "DUUM", http://www.acronymgeek.com/DUUM (accessed February 15, 2012). |
| CBE/CSE | DUUM [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DUUM. |
| Bluebook | DUUM, http://www.acronymgeek.com/DUUM (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DUUM, http://www.acronymgeek.com/DUUM (optional description here) (as of Feb. 15, 2012, 07:08). |
| AMA | DUUM. Acronym Geek. February 15, 2012, 07:08. Available at: http://www.acronymgeek.com/DUUM. Accessed February 15, 2012, 07:08. |