| APA | GTGF. (2012, February 15). In Acronym Geek. Retrieved 07:46, February 15, 2012, from http://www.acronymgeek.com/GTGF |
| MLA | "GTGF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GTGF>. |
| MHRA | 'GTGF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GTGF> [accessed 15 February 2012] |
| Chicago | "GTGF", http://www.acronymgeek.com/GTGF (accessed February 15, 2012). |
| CBE/CSE | GTGF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GTGF. |
| Bluebook | GTGF, http://www.acronymgeek.com/GTGF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GTGF, http://www.acronymgeek.com/GTGF (optional description here) (as of Feb. 15, 2012, 07:46). |
| AMA | GTGF. Acronym Geek. February 15, 2012, 07:46. Available at: http://www.acronymgeek.com/GTGF. Accessed February 15, 2012, 07:46. |