| APA | GCBD. (2012, February 16). In Acronym Geek. Retrieved 17:07, February 16, 2012, from http://www.acronymgeek.com/GCBD |
| MLA | "GCBD." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GCBD>. |
| MHRA | 'GCBD', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GCBD> [accessed 16 February 2012] |
| Chicago | "GCBD", http://www.acronymgeek.com/GCBD (accessed February 16, 2012). |
| CBE/CSE | GCBD [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GCBD. |
| Bluebook | GCBD, http://www.acronymgeek.com/GCBD (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GCBD, http://www.acronymgeek.com/GCBD (optional description here) (as of Feb. 16, 2012, 17:07). |
| AMA | GCBD. Acronym Geek. February 16, 2012, 17:07. Available at: http://www.acronymgeek.com/GCBD. Accessed February 16, 2012, 17:07. |