| APA | VFOA. (2012, February 17). In Acronym Geek. Retrieved 07:43, February 17, 2012, from http://www.acronymgeek.com/VFOA |
| MLA | "VFOA." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/VFOA>. |
| MHRA | 'VFOA', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/VFOA> [accessed 17 February 2012] |
| Chicago | "VFOA", http://www.acronymgeek.com/VFOA (accessed February 17, 2012). |
| CBE/CSE | VFOA [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/VFOA. |
| Bluebook | VFOA, http://www.acronymgeek.com/VFOA (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VFOA, http://www.acronymgeek.com/VFOA (optional description here) (as of Feb. 17, 2012, 07:43). |
| AMA | VFOA. Acronym Geek. February 17, 2012, 07:43. Available at: http://www.acronymgeek.com/VFOA. Accessed February 17, 2012, 07:43. |