| APA | GBTM. (2012, February 15). In Acronym Geek. Retrieved 10:18, February 15, 2012, from http://www.acronymgeek.com/GBTM |
| MLA | "GBTM." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GBTM>. |
| MHRA | 'GBTM', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GBTM> [accessed 15 February 2012] |
| Chicago | "GBTM", http://www.acronymgeek.com/GBTM (accessed February 15, 2012). |
| CBE/CSE | GBTM [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GBTM. |
| Bluebook | GBTM, http://www.acronymgeek.com/GBTM (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GBTM, http://www.acronymgeek.com/GBTM (optional description here) (as of Feb. 15, 2012, 10:18). |
| AMA | GBTM. Acronym Geek. February 15, 2012, 10:18. Available at: http://www.acronymgeek.com/GBTM. Accessed February 15, 2012, 10:18. |