| APA | FDDN. (2012, February 14). In Acronym Geek. Retrieved 13:18, February 14, 2012, from http://www.acronymgeek.com/FDDN |
| MLA | "FDDN." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/FDDN>. |
| MHRA | 'FDDN', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/FDDN> [accessed 14 February 2012] |
| Chicago | "FDDN", http://www.acronymgeek.com/FDDN (accessed February 14, 2012). |
| CBE/CSE | FDDN [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/FDDN. |
| Bluebook | FDDN, http://www.acronymgeek.com/FDDN (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FDDN, http://www.acronymgeek.com/FDDN (optional description here) (as of Feb. 14, 2012, 13:18). |
| AMA | FDDN. Acronym Geek. February 14, 2012, 13:18. Available at: http://www.acronymgeek.com/FDDN. Accessed February 14, 2012, 13:18. |