| Style | Reference Text |
|---|
| APA | OB. (2012, May 27). In All Acronyms. Retrieved 02:39, May 27, 2012, from http://www.all-acronyms.com/OB |
| MLA | "OB." All Acronyms. 27 May 2012, 02:39. All Acronyms. 27 May 2012 <http://www.all-acronyms.com/OB>. |
| MHRA | 'OB', All Acronyms, 27 May 2012, 02:39, <http://www.all-acronyms.com/OB> [accessed 27 May 2012] |
| Chicago | "OB," http://www.all-acronyms.com/OB (accessed May 27, 2012). |
| CBE/CSE | OB [Internet]. All Acronyms; 2012 May 27, 02:39 [cited 2012 May 27]. Available from: http://www.all-acronyms.com/OB. |
| Bluebook | OB, http://www.all-acronyms.com/OB (last visited May 27, 2012). |
| Bluebook: Harvard JOLT | See All Acronyms, OB, http://www.all-acronyms.com/OB (optional description here) (as of May. 27, 2012, 02:39). |
| AMA | OB. All Acronyms. May 27, 2012, 02:39. Available at: http://www.all-acronyms.com/OB. Accessed May 27, 2012. |
Order of Battle