| APA | UFDO. (2012, February 15). In Acronym Geek. Retrieved 22:42, February 15, 2012, from http://www.acronymgeek.com/UFDO |
| MLA | "UFDO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/UFDO>. |
| MHRA | 'UFDO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/UFDO> [accessed 15 February 2012] |
| Chicago | "UFDO", http://www.acronymgeek.com/UFDO (accessed February 15, 2012). |
| CBE/CSE | UFDO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/UFDO. |
| Bluebook | UFDO, http://www.acronymgeek.com/UFDO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UFDO, http://www.acronymgeek.com/UFDO (optional description here) (as of Feb. 15, 2012, 22:42). |
| AMA | UFDO. Acronym Geek. February 15, 2012, 22:42. Available at: http://www.acronymgeek.com/UFDO. Accessed February 15, 2012, 22:42. |