| APA | VFI. (2012, February 14). In Acronym Geek. Retrieved 02:20, February 14, 2012, from http://www.acronymgeek.com/VFI |
| MLA | "VFI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/VFI>. |
| MHRA | 'VFI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/VFI> [accessed 14 February 2012] |
| Chicago | "VFI", http://www.acronymgeek.com/VFI (accessed February 14, 2012). |
| CBE/CSE | VFI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/VFI. |
| Bluebook | VFI, http://www.acronymgeek.com/VFI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VFI, http://www.acronymgeek.com/VFI (optional description here) (as of Feb. 14, 2012, 02:20). |
| AMA | VFI. Acronym Geek. February 14, 2012, 02:20. Available at: http://www.acronymgeek.com/VFI. Accessed February 14, 2012, 02:20. |