| APA | PVOF. (2012, February 16). In Acronym Geek. Retrieved 17:19, February 16, 2012, from http://www.acronymgeek.com/PVOF |
| MLA | "PVOF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PVOF>. |
| MHRA | 'PVOF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PVOF> [accessed 16 February 2012] |
| Chicago | "PVOF", http://www.acronymgeek.com/PVOF (accessed February 16, 2012). |
| CBE/CSE | PVOF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PVOF. |
| Bluebook | PVOF, http://www.acronymgeek.com/PVOF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PVOF, http://www.acronymgeek.com/PVOF (optional description here) (as of Feb. 16, 2012, 17:19). |
| AMA | PVOF. Acronym Geek. February 16, 2012, 17:19. Available at: http://www.acronymgeek.com/PVOF. Accessed February 16, 2012, 17:19. |