| APA | HBGI. (2012, February 16). In Acronym Geek. Retrieved 01:55, February 16, 2012, from http://www.acronymgeek.com/HBGI |
| MLA | "HBGI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HBGI>. |
| MHRA | 'HBGI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HBGI> [accessed 16 February 2012] |
| Chicago | "HBGI", http://www.acronymgeek.com/HBGI (accessed February 16, 2012). |
| CBE/CSE | HBGI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HBGI. |
| Bluebook | HBGI, http://www.acronymgeek.com/HBGI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBGI, http://www.acronymgeek.com/HBGI (optional description here) (as of Feb. 16, 2012, 01:55). |
| AMA | HBGI. Acronym Geek. February 16, 2012, 01:55. Available at: http://www.acronymgeek.com/HBGI. Accessed February 16, 2012, 01:55. |