| APA | GFG. (2012, February 14). In Acronym Geek. Retrieved 06:26, February 14, 2012, from http://www.acronymgeek.com/GFG |
| MLA | "GFG." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GFG>. |
| MHRA | 'GFG', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GFG> [accessed 14 February 2012] |
| Chicago | "GFG", http://www.acronymgeek.com/GFG (accessed February 14, 2012). |
| CBE/CSE | GFG [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GFG. |
| Bluebook | GFG, http://www.acronymgeek.com/GFG (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GFG, http://www.acronymgeek.com/GFG (optional description here) (as of Feb. 14, 2012, 06:26). |
| AMA | GFG. Acronym Geek. February 14, 2012, 06:26. Available at: http://www.acronymgeek.com/GFG. Accessed February 14, 2012, 06:26. |