| Style | Reference Text |
|---|
| APA | VO. (2013, May 19). In All Acronyms. Retrieved 13:07, May 19, 2013, from http://www.all-acronyms.com/VO |
| MLA | "VO." All Acronyms. 19 May 2013, 13:07. All Acronyms. 19 May 2013 <http://www.all-acronyms.com/VO>. |
| MHRA | 'VO', All Acronyms, 19 May 2013, 13:07, <http://www.all-acronyms.com/VO> [accessed 19 May 2013] |
| Chicago | "VO," http://www.all-acronyms.com/VO (accessed May 19, 2013). |
| CBE/CSE | VO [Internet]. All Acronyms; 2013 May 19, 13:07 [cited 2013 May 19]. Available from: http://www.all-acronyms.com/VO. |
| Bluebook | VO, http://www.all-acronyms.com/VO (last visited May 19, 2013). |
| Bluebook: Harvard JOLT | See All Acronyms, VO, http://www.all-acronyms.com/VO (optional description here) (as of May. 19, 2013, 13:07). |
| AMA | VO. All Acronyms. May 19, 2013, 13:07. Available at: http://www.all-acronyms.com/VO. Accessed May 19, 2013. |