| APA | OBFO. (2012, February 17). In Acronym Geek. Retrieved 07:22, February 17, 2012, from http://www.acronymgeek.com/OBFO |
| MLA | "OBFO." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/OBFO>. |
| MHRA | 'OBFO', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/OBFO> [accessed 17 February 2012] |
| Chicago | "OBFO", http://www.acronymgeek.com/OBFO (accessed February 17, 2012). |
| CBE/CSE | OBFO [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/OBFO. |
| Bluebook | OBFO, http://www.acronymgeek.com/OBFO (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OBFO, http://www.acronymgeek.com/OBFO (optional description here) (as of Feb. 17, 2012, 07:22). |
| AMA | OBFO. Acronym Geek. February 17, 2012, 07:22. Available at: http://www.acronymgeek.com/OBFO. Accessed February 17, 2012, 07:22. |