| APA | PVAS. (2012, February 17). In Acronym Geek. Retrieved 01:22, February 17, 2012, from http://www.acronymgeek.com/PVAS |
| MLA | "PVAS." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/PVAS>. |
| MHRA | 'PVAS', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/PVAS> [accessed 17 February 2012] |
| Chicago | "PVAS", http://www.acronymgeek.com/PVAS (accessed February 17, 2012). |
| CBE/CSE | PVAS [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/PVAS. |
| Bluebook | PVAS, http://www.acronymgeek.com/PVAS (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PVAS, http://www.acronymgeek.com/PVAS (optional description here) (as of Feb. 17, 2012, 01:22). |
| AMA | PVAS. Acronym Geek. February 17, 2012, 01:22. Available at: http://www.acronymgeek.com/PVAS. Accessed February 17, 2012, 01:22. |