| APA | HBG. (2012, February 14). In Acronym Geek. Retrieved 04:29, February 14, 2012, from http://www.acronymgeek.com/HBG |
| MLA | "HBG." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HBG>. |
| MHRA | 'HBG', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HBG> [accessed 14 February 2012] |
| Chicago | "HBG", http://www.acronymgeek.com/HBG (accessed February 14, 2012). |
| CBE/CSE | HBG [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HBG. |
| Bluebook | HBG, http://www.acronymgeek.com/HBG (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBG, http://www.acronymgeek.com/HBG (optional description here) (as of Feb. 14, 2012, 04:29). |
| AMA | HBG. Acronym Geek. February 14, 2012, 04:29. Available at: http://www.acronymgeek.com/HBG. Accessed February 14, 2012, 04:29. |