| APA | VIOF. (2012, February 16). In Acronym Geek. Retrieved 21:20, February 16, 2012, from http://www.acronymgeek.com/VIOF |
| MLA | "VIOF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/VIOF>. |
| MHRA | 'VIOF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/VIOF> [accessed 16 February 2012] |
| Chicago | "VIOF", http://www.acronymgeek.com/VIOF (accessed February 16, 2012). |
| CBE/CSE | VIOF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/VIOF. |
| Bluebook | VIOF, http://www.acronymgeek.com/VIOF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VIOF, http://www.acronymgeek.com/VIOF (optional description here) (as of Feb. 16, 2012, 21:20). |
| AMA | VIOF. Acronym Geek. February 16, 2012, 21:20. Available at: http://www.acronymgeek.com/VIOF. Accessed February 16, 2012, 21:20. |