| APA | GFGN. (2012, February 16). In Acronym Geek. Retrieved 00:51, February 16, 2012, from http://www.acronymgeek.com/GFGN |
| MLA | "GFGN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GFGN>. |
| MHRA | 'GFGN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GFGN> [accessed 16 February 2012] |
| Chicago | "GFGN", http://www.acronymgeek.com/GFGN (accessed February 16, 2012). |
| CBE/CSE | GFGN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GFGN. |
| Bluebook | GFGN, http://www.acronymgeek.com/GFGN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GFGN, http://www.acronymgeek.com/GFGN (optional description here) (as of Feb. 16, 2012, 00:51). |
| AMA | GFGN. Acronym Geek. February 16, 2012, 00:51. Available at: http://www.acronymgeek.com/GFGN. Accessed February 16, 2012, 00:51. |