| APA | VZF. (2012, February 11). In Acronym Geek. Retrieved 18:10, February 11, 2012, from http://www.acronymgeek.com/VZF |
| MLA | "VZF." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/VZF>. |
| MHRA | 'VZF', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/VZF> [accessed 11 February 2012] |
| Chicago | "VZF", http://www.acronymgeek.com/VZF (accessed February 11, 2012). |
| CBE/CSE | VZF [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/VZF. |
| Bluebook | VZF, http://www.acronymgeek.com/VZF (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VZF, http://www.acronymgeek.com/VZF (optional description here) (as of Feb. 11, 2012, 18:10). |
| AMA | VZF. Acronym Geek. February 11, 2012, 18:10. Available at: http://www.acronymgeek.com/VZF. Accessed February 11, 2012, 18:10. |