| APA | GEHF. (2012, February 15). In Acronym Geek. Retrieved 20:52, February 15, 2012, from http://www.acronymgeek.com/GEHF |
| MLA | "GEHF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GEHF>. |
| MHRA | 'GEHF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GEHF> [accessed 15 February 2012] |
| Chicago | "GEHF", http://www.acronymgeek.com/GEHF (accessed February 15, 2012). |
| CBE/CSE | GEHF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GEHF. |
| Bluebook | GEHF, http://www.acronymgeek.com/GEHF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GEHF, http://www.acronymgeek.com/GEHF (optional description here) (as of Feb. 15, 2012, 20:52). |
| AMA | GEHF. Acronym Geek. February 15, 2012, 20:52. Available at: http://www.acronymgeek.com/GEHF. Accessed February 15, 2012, 20:52. |