| APA | GFDM. (2012, February 11). In Acronym Geek. Retrieved 21:28, February 11, 2012, from http://www.acronymgeek.com/GFDM |
| MLA | "GFDM." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/GFDM>. |
| MHRA | 'GFDM', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/GFDM> [accessed 11 February 2012] |
| Chicago | "GFDM", http://www.acronymgeek.com/GFDM (accessed February 11, 2012). |
| CBE/CSE | GFDM [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/GFDM. |
| Bluebook | GFDM, http://www.acronymgeek.com/GFDM (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GFDM, http://www.acronymgeek.com/GFDM (optional description here) (as of Feb. 11, 2012, 21:28). |
| AMA | GFDM. Acronym Geek. February 11, 2012, 21:28. Available at: http://www.acronymgeek.com/GFDM. Accessed February 11, 2012, 21:28. |