| APA | GFDNA. (2012, February 12). In Acronym Geek. Retrieved 15:22, February 12, 2012, from http://www.acronymgeek.com/GFDNA |
| MLA | "GFDNA." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/GFDNA>. |
| MHRA | 'GFDNA', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/GFDNA> [accessed 12 February 2012] |
| Chicago | "GFDNA", http://www.acronymgeek.com/GFDNA (accessed February 12, 2012). |
| CBE/CSE | GFDNA [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/GFDNA. |
| Bluebook | GFDNA, http://www.acronymgeek.com/GFDNA (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GFDNA, http://www.acronymgeek.com/GFDNA (optional description here) (as of Feb. 12, 2012, 15:22). |
| AMA | GFDNA. Acronym Geek. February 12, 2012, 15:22. Available at: http://www.acronymgeek.com/GFDNA. Accessed February 12, 2012, 15:22. |