| APA | HGB. (2012, February 10). In Acronym Geek. Retrieved 10:55, February 10, 2012, from http://www.acronymgeek.com/HGB |
| MLA | "HGB." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/HGB>. |
| MHRA | 'HGB', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/HGB> [accessed 10 February 2012] |
| Chicago | "HGB", http://www.acronymgeek.com/HGB (accessed February 10, 2012). |
| CBE/CSE | HGB [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/HGB. |
| Bluebook | HGB, http://www.acronymgeek.com/HGB (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HGB, http://www.acronymgeek.com/HGB (optional description here) (as of Feb. 10, 2012, 10:55). |
| AMA | HGB. Acronym Geek. February 10, 2012, 10:55. Available at: http://www.acronymgeek.com/HGB. Accessed February 10, 2012, 10:55. |