| APA | HHFG. (2012, February 17). In Acronym Geek. Retrieved 07:10, February 17, 2012, from http://www.acronymgeek.com/HHFG |
| MLA | "HHFG." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/HHFG>. |
| MHRA | 'HHFG', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/HHFG> [accessed 17 February 2012] |
| Chicago | "HHFG", http://www.acronymgeek.com/HHFG (accessed February 17, 2012). |
| CBE/CSE | HHFG [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/HHFG. |
| Bluebook | HHFG, http://www.acronymgeek.com/HHFG (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HHFG, http://www.acronymgeek.com/HHFG (optional description here) (as of Feb. 17, 2012, 07:10). |
| AMA | HHFG. Acronym Geek. February 17, 2012, 07:10. Available at: http://www.acronymgeek.com/HHFG. Accessed February 17, 2012, 07:10. |