| Style | Reference Text |
|---|
| APA | OB. (2009, November 23). In All Acronyms. Retrieved 19:07, November 23, 2009, from http://www.all-acronyms.com/OB |
| MLA | "OB." All Acronyms. 23 Nov 2009, 19:07. All Acronyms. 23 Nov 2009 <http://www.all-acronyms.com/OB>. |
| MHRA | 'OB', All Acronyms, 23 November 2009, 19:07, <http://www.all-acronyms.com/OB> [accessed 23 November 2009] |
| Chicago | "OB," http://www.all-acronyms.com/OB (accessed November 23, 2009). |
| CBE/CSE | OB [Internet]. All Acronyms; 2009 Nov 23, 19:07 [cited 2009 Nov 23]. Available from: http://www.all-acronyms.com/OB. |
| Bluebook | OB, http://www.all-acronyms.com/OB (last visited November 23, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, OB, http://www.all-acronyms.com/OB (optional description here) (as of Nov. 23, 2009, 19:07). |
| AMA | OB. All Acronyms. November 23, 2009, 19:07. Available at: http://www.all-acronyms.com/OB. Accessed November 23, 2009. |
Order of Battle