| APA | OPVC. (2012, February 15). In Acronym Geek. Retrieved 23:12, February 15, 2012, from http://www.acronymgeek.com/OPVC |
| MLA | "OPVC." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OPVC>. |
| MHRA | 'OPVC', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OPVC> [accessed 15 February 2012] |
| Chicago | "OPVC", http://www.acronymgeek.com/OPVC (accessed February 15, 2012). |
| CBE/CSE | OPVC [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OPVC. |
| Bluebook | OPVC, http://www.acronymgeek.com/OPVC (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OPVC, http://www.acronymgeek.com/OPVC (optional description here) (as of Feb. 15, 2012, 23:12). |
| AMA | OPVC. Acronym Geek. February 15, 2012, 23:12. Available at: http://www.acronymgeek.com/OPVC. Accessed February 15, 2012, 23:12. |