| APA | DOUN. (2012, February 15). In Acronym Geek. Retrieved 18:50, February 15, 2012, from http://www.acronymgeek.com/DOUN |
| MLA | "DOUN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DOUN>. |
| MHRA | 'DOUN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DOUN> [accessed 15 February 2012] |
| Chicago | "DOUN", http://www.acronymgeek.com/DOUN (accessed February 15, 2012). |
| CBE/CSE | DOUN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DOUN. |
| Bluebook | DOUN, http://www.acronymgeek.com/DOUN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DOUN, http://www.acronymgeek.com/DOUN (optional description here) (as of Feb. 15, 2012, 18:50). |
| AMA | DOUN. Acronym Geek. February 15, 2012, 18:50. Available at: http://www.acronymgeek.com/DOUN. Accessed February 15, 2012, 18:50. |