| APA | GCB. (2012, February 14). In Acronym Geek. Retrieved 02:13, February 14, 2012, from http://www.acronymgeek.com/GCB |
| MLA | "GCB." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GCB>. |
| MHRA | 'GCB', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GCB> [accessed 14 February 2012] |
| Chicago | "GCB", http://www.acronymgeek.com/GCB (accessed February 14, 2012). |
| CBE/CSE | GCB [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GCB. |
| Bluebook | GCB, http://www.acronymgeek.com/GCB (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GCB, http://www.acronymgeek.com/GCB (optional description here) (as of Feb. 14, 2012, 02:13). |
| AMA | GCB. Acronym Geek. February 14, 2012, 02:13. Available at: http://www.acronymgeek.com/GCB. Accessed February 14, 2012, 02:13. |