| APA | GFBO. (2012, February 16). In Acronym Geek. Retrieved 01:06, February 16, 2012, from http://www.acronymgeek.com/GFBO |
| MLA | "GFBO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GFBO>. |
| MHRA | 'GFBO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GFBO> [accessed 16 February 2012] |
| Chicago | "GFBO", http://www.acronymgeek.com/GFBO (accessed February 16, 2012). |
| CBE/CSE | GFBO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GFBO. |
| Bluebook | GFBO, http://www.acronymgeek.com/GFBO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GFBO, http://www.acronymgeek.com/GFBO (optional description here) (as of Feb. 16, 2012, 01:06). |
| AMA | GFBO. Acronym Geek. February 16, 2012, 01:06. Available at: http://www.acronymgeek.com/GFBO. Accessed February 16, 2012, 01:06. |