| APA | FDU. (2012, February 10). In Acronym Geek. Retrieved 17:51, February 10, 2012, from http://www.acronymgeek.com/FDU |
| MLA | "FDU." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/FDU>. |
| MHRA | 'FDU', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/FDU> [accessed 10 February 2012] |
| Chicago | "FDU", http://www.acronymgeek.com/FDU (accessed February 10, 2012). |
| CBE/CSE | FDU [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/FDU. |
| Bluebook | FDU, http://www.acronymgeek.com/FDU (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FDU, http://www.acronymgeek.com/FDU (optional description here) (as of Feb. 10, 2012, 17:51). |
| AMA | FDU. Acronym Geek. February 10, 2012, 17:51. Available at: http://www.acronymgeek.com/FDU. Accessed February 10, 2012, 17:51. |