| APA | PVOA. (2012, February 15). In Acronym Geek. Retrieved 10:56, February 15, 2012, from http://www.acronymgeek.com/PVOA |
| MLA | "PVOA." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PVOA>. |
| MHRA | 'PVOA', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PVOA> [accessed 15 February 2012] |
| Chicago | "PVOA", http://www.acronymgeek.com/PVOA (accessed February 15, 2012). |
| CBE/CSE | PVOA [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PVOA. |
| Bluebook | PVOA, http://www.acronymgeek.com/PVOA (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PVOA, http://www.acronymgeek.com/PVOA (optional description here) (as of Feb. 15, 2012, 10:56). |
| AMA | PVOA. Acronym Geek. February 15, 2012, 10:56. Available at: http://www.acronymgeek.com/PVOA. Accessed February 15, 2012, 10:56. |