| APA | GXB. (2012, February 14). In Acronym Geek. Retrieved 02:06, February 14, 2012, from http://www.acronymgeek.com/GXB |
| MLA | "GXB." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GXB>. |
| MHRA | 'GXB', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GXB> [accessed 14 February 2012] |
| Chicago | "GXB", http://www.acronymgeek.com/GXB (accessed February 14, 2012). |
| CBE/CSE | GXB [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GXB. |
| Bluebook | GXB, http://www.acronymgeek.com/GXB (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GXB, http://www.acronymgeek.com/GXB (optional description here) (as of Feb. 14, 2012, 02:06). |
| AMA | GXB. Acronym Geek. February 14, 2012, 02:06. Available at: http://www.acronymgeek.com/GXB. Accessed February 14, 2012, 02:06. |