| APA | GFEF. (2012, February 17). In Acronym Geek. Retrieved 07:57, February 17, 2012, from http://www.acronymgeek.com/GFEF |
| MLA | "GFEF." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/GFEF>. |
| MHRA | 'GFEF', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/GFEF> [accessed 17 February 2012] |
| Chicago | "GFEF", http://www.acronymgeek.com/GFEF (accessed February 17, 2012). |
| CBE/CSE | GFEF [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/GFEF. |
| Bluebook | GFEF, http://www.acronymgeek.com/GFEF (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GFEF, http://www.acronymgeek.com/GFEF (optional description here) (as of Feb. 17, 2012, 07:57). |
| AMA | GFEF. Acronym Geek. February 17, 2012, 07:57. Available at: http://www.acronymgeek.com/GFEF. Accessed February 17, 2012, 07:57. |