| APA | GBZ. (2012, February 13). In Acronym Geek. Retrieved 23:21, February 13, 2012, from http://www.acronymgeek.com/GBZ |
| MLA | "GBZ." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/GBZ>. |
| MHRA | 'GBZ', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/GBZ> [accessed 13 February 2012] |
| Chicago | "GBZ", http://www.acronymgeek.com/GBZ (accessed February 13, 2012). |
| CBE/CSE | GBZ [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/GBZ. |
| Bluebook | GBZ, http://www.acronymgeek.com/GBZ (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GBZ, http://www.acronymgeek.com/GBZ (optional description here) (as of Feb. 13, 2012, 23:21). |
| AMA | GBZ. Acronym Geek. February 13, 2012, 23:21. Available at: http://www.acronymgeek.com/GBZ. Accessed February 13, 2012, 23:21. |