| APA | VEFI. (2012, February 16). In Acronym Geek. Retrieved 01:59, February 16, 2012, from http://www.acronymgeek.com/VEFI |
| MLA | "VEFI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/VEFI>. |
| MHRA | 'VEFI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/VEFI> [accessed 16 February 2012] |
| Chicago | "VEFI", http://www.acronymgeek.com/VEFI (accessed February 16, 2012). |
| CBE/CSE | VEFI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/VEFI. |
| Bluebook | VEFI, http://www.acronymgeek.com/VEFI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VEFI, http://www.acronymgeek.com/VEFI (optional description here) (as of Feb. 16, 2012, 01:59). |
| AMA | VEFI. Acronym Geek. February 16, 2012, 01:59. Available at: http://www.acronymgeek.com/VEFI. Accessed February 16, 2012, 01:59. |