| APA | GFFS. (2012, February 16). In Acronym Geek. Retrieved 03:40, February 16, 2012, from http://www.acronymgeek.com/GFFS |
| MLA | "GFFS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GFFS>. |
| MHRA | 'GFFS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GFFS> [accessed 16 February 2012] |
| Chicago | "GFFS", http://www.acronymgeek.com/GFFS (accessed February 16, 2012). |
| CBE/CSE | GFFS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GFFS. |
| Bluebook | GFFS, http://www.acronymgeek.com/GFFS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GFFS, http://www.acronymgeek.com/GFFS (optional description here) (as of Feb. 16, 2012, 03:40). |
| AMA | GFFS. Acronym Geek. February 16, 2012, 03:40. Available at: http://www.acronymgeek.com/GFFS. Accessed February 16, 2012, 03:40. |