| APA | GBHD. (2012, February 14). In Acronym Geek. Retrieved 14:01, February 14, 2012, from http://www.acronymgeek.com/GBHD |
| MLA | "GBHD." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GBHD>. |
| MHRA | 'GBHD', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GBHD> [accessed 14 February 2012] |
| Chicago | "GBHD", http://www.acronymgeek.com/GBHD (accessed February 14, 2012). |
| CBE/CSE | GBHD [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GBHD. |
| Bluebook | GBHD, http://www.acronymgeek.com/GBHD (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GBHD, http://www.acronymgeek.com/GBHD (optional description here) (as of Feb. 14, 2012, 14:01). |
| AMA | GBHD. Acronym Geek. February 14, 2012, 14:01. Available at: http://www.acronymgeek.com/GBHD. Accessed February 14, 2012, 14:01. |