| APA | HBGF. (2012, February 16). In Acronym Geek. Retrieved 06:55, February 16, 2012, from http://www.acronymgeek.com/HBGF |
| MLA | "HBGF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HBGF>. |
| MHRA | 'HBGF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HBGF> [accessed 16 February 2012] |
| Chicago | "HBGF", http://www.acronymgeek.com/HBGF (accessed February 16, 2012). |
| CBE/CSE | HBGF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HBGF. |
| Bluebook | HBGF, http://www.acronymgeek.com/HBGF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBGF, http://www.acronymgeek.com/HBGF (optional description here) (as of Feb. 16, 2012, 06:55). |
| AMA | HBGF. Acronym Geek. February 16, 2012, 06:55. Available at: http://www.acronymgeek.com/HBGF. Accessed February 16, 2012, 06:55. |