| APA | GFBT. (2012, February 15). In Acronym Geek. Retrieved 09:24, February 15, 2012, from http://www.acronymgeek.com/GFBT |
| MLA | "GFBT." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GFBT>. |
| MHRA | 'GFBT', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GFBT> [accessed 15 February 2012] |
| Chicago | "GFBT", http://www.acronymgeek.com/GFBT (accessed February 15, 2012). |
| CBE/CSE | GFBT [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GFBT. |
| Bluebook | GFBT, http://www.acronymgeek.com/GFBT (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GFBT, http://www.acronymgeek.com/GFBT (optional description here) (as of Feb. 15, 2012, 09:24). |
| AMA | GFBT. Acronym Geek. February 15, 2012, 09:24. Available at: http://www.acronymgeek.com/GFBT. Accessed February 15, 2012, 09:24. |