| APA | HGTF. (2012, February 16). In Acronym Geek. Retrieved 18:35, February 16, 2012, from http://www.acronymgeek.com/HGTF |
| MLA | "HGTF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HGTF>. |
| MHRA | 'HGTF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HGTF> [accessed 16 February 2012] |
| Chicago | "HGTF", http://www.acronymgeek.com/HGTF (accessed February 16, 2012). |
| CBE/CSE | HGTF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HGTF. |
| Bluebook | HGTF, http://www.acronymgeek.com/HGTF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HGTF, http://www.acronymgeek.com/HGTF (optional description here) (as of Feb. 16, 2012, 18:35). |
| AMA | HGTF. Acronym Geek. February 16, 2012, 18:35. Available at: http://www.acronymgeek.com/HGTF. Accessed February 16, 2012, 18:35. |