| APA | VFIS. (2012, February 16). In Acronym Geek. Retrieved 07:29, February 16, 2012, from http://www.acronymgeek.com/VFIS |
| MLA | "VFIS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/VFIS>. |
| MHRA | 'VFIS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/VFIS> [accessed 16 February 2012] |
| Chicago | "VFIS", http://www.acronymgeek.com/VFIS (accessed February 16, 2012). |
| CBE/CSE | VFIS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/VFIS. |
| Bluebook | VFIS, http://www.acronymgeek.com/VFIS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VFIS, http://www.acronymgeek.com/VFIS (optional description here) (as of Feb. 16, 2012, 07:29). |
| AMA | VFIS. Acronym Geek. February 16, 2012, 07:29. Available at: http://www.acronymgeek.com/VFIS. Accessed February 16, 2012, 07:29. |