| APA | GTFI. (2012, February 15). In Acronym Geek. Retrieved 05:56, February 15, 2012, from http://www.acronymgeek.com/GTFI |
| MLA | "GTFI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GTFI>. |
| MHRA | 'GTFI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GTFI> [accessed 15 February 2012] |
| Chicago | "GTFI", http://www.acronymgeek.com/GTFI (accessed February 15, 2012). |
| CBE/CSE | GTFI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GTFI. |
| Bluebook | GTFI, http://www.acronymgeek.com/GTFI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GTFI, http://www.acronymgeek.com/GTFI (optional description here) (as of Feb. 15, 2012, 05:56). |
| AMA | GTFI. Acronym Geek. February 15, 2012, 05:56. Available at: http://www.acronymgeek.com/GTFI. Accessed February 15, 2012, 05:56. |