| APA | DUCAS. (2012, February 12). In Acronym Geek. Retrieved 15:20, February 12, 2012, from http://www.acronymgeek.com/DUCAS |
| MLA | "DUCAS." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/DUCAS>. |
| MHRA | 'DUCAS', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/DUCAS> [accessed 12 February 2012] |
| Chicago | "DUCAS", http://www.acronymgeek.com/DUCAS (accessed February 12, 2012). |
| CBE/CSE | DUCAS [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/DUCAS. |
| Bluebook | DUCAS, http://www.acronymgeek.com/DUCAS (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DUCAS, http://www.acronymgeek.com/DUCAS (optional description here) (as of Feb. 12, 2012, 15:20). |
| AMA | DUCAS. Acronym Geek. February 12, 2012, 15:20. Available at: http://www.acronymgeek.com/DUCAS. Accessed February 12, 2012, 15:20. |