| Style | Reference Text |
|---|
| APA | OPVI. (2010, March 21). In Acronym Geek. Retrieved 04:24, March 21, 2010, from http://www.acronymgeek.com/OPVI |
| MLA | "OPVI." Acronym Geek. 21 Mar 2010, 04:24. Acronym Geek. 21 Mar 2010 <http://www.acronymgeek.com/OPVI>. |
| MHRA | 'OPVI', Acronym Geek, 21 March 2010, 04:24, <http://www.acronymgeek.com/OPVI> [accessed 21 March 2010] |
| Chicago | "OPVI," http://www.acronymgeek.com/OPVI (accessed March 21, 2010). |
| CBE/CSE | OPVI [Internet]. Acronym Geek; 2010 Mar 21, 04:24 [cited 2010 Mar 21]. Available from: http://www.acronymgeek.com/OPVI. |
| Bluebook | OPVI, http://www.acronymgeek.com/OPVI (last visited March 21, 2010). |
| Bluebook: Harvard JOLT | See Acronym Geek, OPVI, http://www.acronymgeek.com/OPVI (optional description here) (as of Mar. 21, 2010, 04:24). |
| AMA | OPVI. Acronym Geek. March 21, 2010, 04:24. Available at: http://www.acronymgeek.com/OPVI. Accessed March 21, 2010. |
Oil Price Vulnerability Index