| APA | GTFE. (2012, February 16). In Acronym Geek. Retrieved 04:31, February 16, 2012, from http://www.acronymgeek.com/GTFE |
| MLA | "GTFE." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GTFE>. |
| MHRA | 'GTFE', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GTFE> [accessed 16 February 2012] |
| Chicago | "GTFE", http://www.acronymgeek.com/GTFE (accessed February 16, 2012). |
| CBE/CSE | GTFE [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GTFE. |
| Bluebook | GTFE, http://www.acronymgeek.com/GTFE (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GTFE, http://www.acronymgeek.com/GTFE (optional description here) (as of Feb. 16, 2012, 04:31). |
| AMA | GTFE. Acronym Geek. February 16, 2012, 04:31. Available at: http://www.acronymgeek.com/GTFE. Accessed February 16, 2012, 04:31. |