| APA | S-PVA. (2012, February 12). In Acronym Geek. Retrieved 12:17, February 12, 2012, from http://www.acronymgeek.com/S-PVA |
| MLA | "S-PVA." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/S-PVA>. |
| MHRA | 'S-PVA', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/S-PVA> [accessed 12 February 2012] |
| Chicago | "S-PVA", http://www.acronymgeek.com/S-PVA (accessed February 12, 2012). |
| CBE/CSE | S-PVA [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/S-PVA. |
| Bluebook | S-PVA, http://www.acronymgeek.com/S-PVA (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, S-PVA, http://www.acronymgeek.com/S-PVA (optional description here) (as of Feb. 12, 2012, 12:17). |
| AMA | S-PVA. Acronym Geek. February 12, 2012, 12:17. Available at: http://www.acronymgeek.com/S-PVA. Accessed February 12, 2012, 12:17. |