| APA | VZIP. (2012, February 16). In Acronym Geek. Retrieved 10:14, February 16, 2012, from http://www.acronymgeek.com/VZIP |
| MLA | "VZIP." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/VZIP>. |
| MHRA | 'VZIP', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/VZIP> [accessed 16 February 2012] |
| Chicago | "VZIP", http://www.acronymgeek.com/VZIP (accessed February 16, 2012). |
| CBE/CSE | VZIP [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/VZIP. |
| Bluebook | VZIP, http://www.acronymgeek.com/VZIP (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VZIP, http://www.acronymgeek.com/VZIP (optional description here) (as of Feb. 16, 2012, 10:14). |
| AMA | VZIP. Acronym Geek. February 16, 2012, 10:14. Available at: http://www.acronymgeek.com/VZIP. Accessed February 16, 2012, 10:14. |