| APA | UFDI. (2012, February 15). In Acronym Geek. Retrieved 04:25, February 15, 2012, from http://www.acronymgeek.com/UFDI |
| MLA | "UFDI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/UFDI>. |
| MHRA | 'UFDI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/UFDI> [accessed 15 February 2012] |
| Chicago | "UFDI", http://www.acronymgeek.com/UFDI (accessed February 15, 2012). |
| CBE/CSE | UFDI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/UFDI. |
| Bluebook | UFDI, http://www.acronymgeek.com/UFDI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UFDI, http://www.acronymgeek.com/UFDI (optional description here) (as of Feb. 15, 2012, 04:25). |
| AMA | UFDI. Acronym Geek. February 15, 2012, 04:25. Available at: http://www.acronymgeek.com/UFDI. Accessed February 15, 2012, 04:25. |