| APA | GMB. (2012, February 14). In Acronym Geek. Retrieved 02:11, February 14, 2012, from http://www.acronymgeek.com/GMB |
| MLA | "GMB." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GMB>. |
| MHRA | 'GMB', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GMB> [accessed 14 February 2012] |
| Chicago | "GMB", http://www.acronymgeek.com/GMB (accessed February 14, 2012). |
| CBE/CSE | GMB [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GMB. |
| Bluebook | GMB, http://www.acronymgeek.com/GMB (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GMB, http://www.acronymgeek.com/GMB (optional description here) (as of Feb. 14, 2012, 02:11). |
| AMA | GMB. Acronym Geek. February 14, 2012, 02:11. Available at: http://www.acronymgeek.com/GMB. Accessed February 14, 2012, 02:11. |