| APA | DUFS. (2012, February 15). In Acronym Geek. Retrieved 09:26, February 15, 2012, from http://www.acronymgeek.com/DUFS |
| MLA | "DUFS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DUFS>. |
| MHRA | 'DUFS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DUFS> [accessed 15 February 2012] |
| Chicago | "DUFS", http://www.acronymgeek.com/DUFS (accessed February 15, 2012). |
| CBE/CSE | DUFS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DUFS. |
| Bluebook | DUFS, http://www.acronymgeek.com/DUFS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DUFS, http://www.acronymgeek.com/DUFS (optional description here) (as of Feb. 15, 2012, 09:26). |
| AMA | DUFS. Acronym Geek. February 15, 2012, 09:26. Available at: http://www.acronymgeek.com/DUFS. Accessed February 15, 2012, 09:26. |