| APA | HBGN. (2012, February 17). In Acronym Geek. Retrieved 01:43, February 17, 2012, from http://www.acronymgeek.com/HBGN |
| MLA | "HBGN." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/HBGN>. |
| MHRA | 'HBGN', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/HBGN> [accessed 17 February 2012] |
| Chicago | "HBGN", http://www.acronymgeek.com/HBGN (accessed February 17, 2012). |
| CBE/CSE | HBGN [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/HBGN. |
| Bluebook | HBGN, http://www.acronymgeek.com/HBGN (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBGN, http://www.acronymgeek.com/HBGN (optional description here) (as of Feb. 17, 2012, 01:43). |
| AMA | HBGN. Acronym Geek. February 17, 2012, 01:43. Available at: http://www.acronymgeek.com/HBGN. Accessed February 17, 2012, 01:43. |