| APA | GFDD. (2012, February 15). In Acronym Geek. Retrieved 19:18, February 15, 2012, from http://www.acronymgeek.com/GFDD |
| MLA | "GFDD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GFDD>. |
| MHRA | 'GFDD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GFDD> [accessed 15 February 2012] |
| Chicago | "GFDD", http://www.acronymgeek.com/GFDD (accessed February 15, 2012). |
| CBE/CSE | GFDD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GFDD. |
| Bluebook | GFDD, http://www.acronymgeek.com/GFDD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GFDD, http://www.acronymgeek.com/GFDD (optional description here) (as of Feb. 15, 2012, 19:18). |
| AMA | GFDD. Acronym Geek. February 15, 2012, 19:18. Available at: http://www.acronymgeek.com/GFDD. Accessed February 15, 2012, 19:18. |