| APA | DOUF. (2012, February 15). In Acronym Geek. Retrieved 11:35, February 15, 2012, from http://www.acronymgeek.com/DOUF |
| MLA | "DOUF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DOUF>. |
| MHRA | 'DOUF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DOUF> [accessed 15 February 2012] |
| Chicago | "DOUF", http://www.acronymgeek.com/DOUF (accessed February 15, 2012). |
| CBE/CSE | DOUF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DOUF. |
| Bluebook | DOUF, http://www.acronymgeek.com/DOUF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DOUF, http://www.acronymgeek.com/DOUF (optional description here) (as of Feb. 15, 2012, 11:35). |
| AMA | DOUF. Acronym Geek. February 15, 2012, 11:35. Available at: http://www.acronymgeek.com/DOUF. Accessed February 15, 2012, 11:35. |