| APA | FDE. (2012, February 11). In Acronym Geek. Retrieved 22:49, February 11, 2012, from http://www.acronymgeek.com/FDE |
| MLA | "FDE." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/FDE>. |
| MHRA | 'FDE', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/FDE> [accessed 11 February 2012] |
| Chicago | "FDE", http://www.acronymgeek.com/FDE (accessed February 11, 2012). |
| CBE/CSE | FDE [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/FDE. |
| Bluebook | FDE, http://www.acronymgeek.com/FDE (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FDE, http://www.acronymgeek.com/FDE (optional description here) (as of Feb. 11, 2012, 22:49). |
| AMA | FDE. Acronym Geek. February 11, 2012, 22:49. Available at: http://www.acronymgeek.com/FDE. Accessed February 11, 2012, 22:49. |