| APA | FUDI. (2012, February 15). In Acronym Geek. Retrieved 19:53, February 15, 2012, from http://www.acronymgeek.com/FUDI |
| MLA | "FUDI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/FUDI>. |
| MHRA | 'FUDI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/FUDI> [accessed 15 February 2012] |
| Chicago | "FUDI", http://www.acronymgeek.com/FUDI (accessed February 15, 2012). |
| CBE/CSE | FUDI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/FUDI. |
| Bluebook | FUDI, http://www.acronymgeek.com/FUDI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FUDI, http://www.acronymgeek.com/FUDI (optional description here) (as of Feb. 15, 2012, 19:53). |
| AMA | FUDI. Acronym Geek. February 15, 2012, 19:53. Available at: http://www.acronymgeek.com/FUDI. Accessed February 15, 2012, 19:53. |