| APA | DUOE. (2012, February 14). In Acronym Geek. Retrieved 17:29, February 14, 2012, from http://www.acronymgeek.com/DUOE |
| MLA | "DUOE." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DUOE>. |
| MHRA | 'DUOE', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DUOE> [accessed 14 February 2012] |
| Chicago | "DUOE", http://www.acronymgeek.com/DUOE (accessed February 14, 2012). |
| CBE/CSE | DUOE [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DUOE. |
| Bluebook | DUOE, http://www.acronymgeek.com/DUOE (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DUOE, http://www.acronymgeek.com/DUOE (optional description here) (as of Feb. 14, 2012, 17:29). |
| AMA | DUOE. Acronym Geek. February 14, 2012, 17:29. Available at: http://www.acronymgeek.com/DUOE. Accessed February 14, 2012, 17:29. |