| APA | DUCN. (2012, February 15). In Acronym Geek. Retrieved 09:56, February 15, 2012, from http://www.acronymgeek.com/DUCN |
| MLA | "DUCN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DUCN>. |
| MHRA | 'DUCN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DUCN> [accessed 15 February 2012] |
| Chicago | "DUCN", http://www.acronymgeek.com/DUCN (accessed February 15, 2012). |
| CBE/CSE | DUCN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DUCN. |
| Bluebook | DUCN, http://www.acronymgeek.com/DUCN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DUCN, http://www.acronymgeek.com/DUCN (optional description here) (as of Feb. 15, 2012, 09:56). |
| AMA | DUCN. Acronym Geek. February 15, 2012, 09:56. Available at: http://www.acronymgeek.com/DUCN. Accessed February 15, 2012, 09:56. |