| APA | OBGF. (2012, February 17). In Acronym Geek. Retrieved 05:20, February 17, 2012, from http://www.acronymgeek.com/OBGF |
| MLA | "OBGF." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/OBGF>. |
| MHRA | 'OBGF', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/OBGF> [accessed 17 February 2012] |
| Chicago | "OBGF", http://www.acronymgeek.com/OBGF (accessed February 17, 2012). |
| CBE/CSE | OBGF [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/OBGF. |
| Bluebook | OBGF, http://www.acronymgeek.com/OBGF (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OBGF, http://www.acronymgeek.com/OBGF (optional description here) (as of Feb. 17, 2012, 05:20). |
| AMA | OBGF. Acronym Geek. February 17, 2012, 05:20. Available at: http://www.acronymgeek.com/OBGF. Accessed February 17, 2012, 05:20. |