| APA | OBN. (2012, February 14). In Acronym Geek. Retrieved 06:25, February 14, 2012, from http://www.acronymgeek.com/OBN |
| MLA | "OBN." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/OBN>. |
| MHRA | 'OBN', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/OBN> [accessed 14 February 2012] |
| Chicago | "OBN", http://www.acronymgeek.com/OBN (accessed February 14, 2012). |
| CBE/CSE | OBN [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/OBN. |
| Bluebook | OBN, http://www.acronymgeek.com/OBN (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OBN, http://www.acronymgeek.com/OBN (optional description here) (as of Feb. 14, 2012, 06:25). |
| AMA | OBN. Acronym Geek. February 14, 2012, 06:25. Available at: http://www.acronymgeek.com/OBN. Accessed February 14, 2012, 06:25. |