| APA | FYDN. (2012, February 16). In Acronym Geek. Retrieved 09:53, February 16, 2012, from http://www.acronymgeek.com/FYDN |
| MLA | "FYDN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/FYDN>. |
| MHRA | 'FYDN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/FYDN> [accessed 16 February 2012] |
| Chicago | "FYDN", http://www.acronymgeek.com/FYDN (accessed February 16, 2012). |
| CBE/CSE | FYDN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/FYDN. |
| Bluebook | FYDN, http://www.acronymgeek.com/FYDN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FYDN, http://www.acronymgeek.com/FYDN (optional description here) (as of Feb. 16, 2012, 09:53). |
| AMA | FYDN. Acronym Geek. February 16, 2012, 09:53. Available at: http://www.acronymgeek.com/FYDN. Accessed February 16, 2012, 09:53. |