| APA | FDY. (2012, February 11). In Acronym Geek. Retrieved 22:01, February 11, 2012, from http://www.acronymgeek.com/FDY |
| MLA | "FDY." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/FDY>. |
| MHRA | 'FDY', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/FDY> [accessed 11 February 2012] |
| Chicago | "FDY", http://www.acronymgeek.com/FDY (accessed February 11, 2012). |
| CBE/CSE | FDY [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/FDY. |
| Bluebook | FDY, http://www.acronymgeek.com/FDY (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FDY, http://www.acronymgeek.com/FDY (optional description here) (as of Feb. 11, 2012, 22:01). |
| AMA | FDY. Acronym Geek. February 11, 2012, 22:01. Available at: http://www.acronymgeek.com/FDY. Accessed February 11, 2012, 22:01. |