| APA | OBKB. (2012, February 12). In Acronym Geek. Retrieved 04:07, February 12, 2012, from http://www.acronymgeek.com/OBKB |
| MLA | "OBKB." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/OBKB>. |
| MHRA | 'OBKB', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/OBKB> [accessed 12 February 2012] |
| Chicago | "OBKB", http://www.acronymgeek.com/OBKB (accessed February 12, 2012). |
| CBE/CSE | OBKB [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/OBKB. |
| Bluebook | OBKB, http://www.acronymgeek.com/OBKB (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OBKB, http://www.acronymgeek.com/OBKB (optional description here) (as of Feb. 12, 2012, 04:07). |
| AMA | OBKB. Acronym Geek. February 12, 2012, 04:07. Available at: http://www.acronymgeek.com/OBKB. Accessed February 12, 2012, 04:07. |