| APA | GFDN. (2012, February 16). In Acronym Geek. Retrieved 06:55, February 16, 2012, from http://www.acronymgeek.com/GFDN |
| MLA | "GFDN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GFDN>. |
| MHRA | 'GFDN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GFDN> [accessed 16 February 2012] |
| Chicago | "GFDN", http://www.acronymgeek.com/GFDN (accessed February 16, 2012). |
| CBE/CSE | GFDN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GFDN. |
| Bluebook | GFDN, http://www.acronymgeek.com/GFDN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GFDN, http://www.acronymgeek.com/GFDN (optional description here) (as of Feb. 16, 2012, 06:55). |
| AMA | GFDN. Acronym Geek. February 16, 2012, 06:55. Available at: http://www.acronymgeek.com/GFDN. Accessed February 16, 2012, 06:55. |