| APA | VZN. (2012, February 11). In Acronym Geek. Retrieved 23:06, February 11, 2012, from http://www.acronymgeek.com/VZN |
| MLA | "VZN." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/VZN>. |
| MHRA | 'VZN', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/VZN> [accessed 11 February 2012] |
| Chicago | "VZN", http://www.acronymgeek.com/VZN (accessed February 11, 2012). |
| CBE/CSE | VZN [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/VZN. |
| Bluebook | VZN, http://www.acronymgeek.com/VZN (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VZN, http://www.acronymgeek.com/VZN (optional description here) (as of Feb. 11, 2012, 23:06). |
| AMA | VZN. Acronym Geek. February 11, 2012, 23:06. Available at: http://www.acronymgeek.com/VZN. Accessed February 11, 2012, 23:06. |