| APA | GBJO. (2012, February 16). In Acronym Geek. Retrieved 05:21, February 16, 2012, from http://www.acronymgeek.com/GBJO |
| MLA | "GBJO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GBJO>. |
| MHRA | 'GBJO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GBJO> [accessed 16 February 2012] |
| Chicago | "GBJO", http://www.acronymgeek.com/GBJO (accessed February 16, 2012). |
| CBE/CSE | GBJO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GBJO. |
| Bluebook | GBJO, http://www.acronymgeek.com/GBJO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GBJO, http://www.acronymgeek.com/GBJO (optional description here) (as of Feb. 16, 2012, 05:21). |
| AMA | GBJO. Acronym Geek. February 16, 2012, 05:21. Available at: http://www.acronymgeek.com/GBJO. Accessed February 16, 2012, 05:21. |