| APA | DUOS. (2012, February 15). In Acronym Geek. Retrieved 16:34, February 15, 2012, from http://www.acronymgeek.com/DUOS |
| MLA | "DUOS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DUOS>. |
| MHRA | 'DUOS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DUOS> [accessed 15 February 2012] |
| Chicago | "DUOS", http://www.acronymgeek.com/DUOS (accessed February 15, 2012). |
| CBE/CSE | DUOS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DUOS. |
| Bluebook | DUOS, http://www.acronymgeek.com/DUOS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DUOS, http://www.acronymgeek.com/DUOS (optional description here) (as of Feb. 15, 2012, 16:34). |
| AMA | DUOS. Acronym Geek. February 15, 2012, 16:34. Available at: http://www.acronymgeek.com/DUOS. Accessed February 15, 2012, 16:34. |