| APA | VZL. (2012, February 11). In Acronym Geek. Retrieved 20:45, February 11, 2012, from http://www.acronymgeek.com/VZL |
| MLA | "VZL." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/VZL>. |
| MHRA | 'VZL', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/VZL> [accessed 11 February 2012] |
| Chicago | "VZL", http://www.acronymgeek.com/VZL (accessed February 11, 2012). |
| CBE/CSE | VZL [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/VZL. |
| Bluebook | VZL, http://www.acronymgeek.com/VZL (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VZL, http://www.acronymgeek.com/VZL (optional description here) (as of Feb. 11, 2012, 20:45). |
| AMA | VZL. Acronym Geek. February 11, 2012, 20:45. Available at: http://www.acronymgeek.com/VZL. Accessed February 11, 2012, 20:45. |