| Style | Reference Text |
|---|
| APA | OB. (2013, May 18). In All Acronyms. Retrieved 15:19, May 18, 2013, from http://www.all-acronyms.com/OB |
| MLA | "OB." All Acronyms. 18 May 2013, 15:19. All Acronyms. 18 May 2013 <http://www.all-acronyms.com/OB>. |
| MHRA | 'OB', All Acronyms, 18 May 2013, 15:19, <http://www.all-acronyms.com/OB> [accessed 18 May 2013] |
| Chicago | "OB," http://www.all-acronyms.com/OB (accessed May 18, 2013). |
| CBE/CSE | OB [Internet]. All Acronyms; 2013 May 18, 15:19 [cited 2013 May 18]. Available from: http://www.all-acronyms.com/OB. |
| Bluebook | OB, http://www.all-acronyms.com/OB (last visited May 18, 2013). |
| Bluebook: Harvard JOLT | See All Acronyms, OB, http://www.all-acronyms.com/OB (optional description here) (as of May. 18, 2013, 15:19). |
| AMA | OB. All Acronyms. May 18, 2013, 15:19. Available at: http://www.all-acronyms.com/OB. Accessed May 18, 2013. |
Order of Battle