| APA | VZDL. (2012, February 16). In Acronym Geek. Retrieved 06:07, February 16, 2012, from http://www.acronymgeek.com/VZDL |
| MLA | "VZDL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/VZDL>. |
| MHRA | 'VZDL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/VZDL> [accessed 16 February 2012] |
| Chicago | "VZDL", http://www.acronymgeek.com/VZDL (accessed February 16, 2012). |
| CBE/CSE | VZDL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/VZDL. |
| Bluebook | VZDL, http://www.acronymgeek.com/VZDL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VZDL, http://www.acronymgeek.com/VZDL (optional description here) (as of Feb. 16, 2012, 06:07). |
| AMA | VZDL. Acronym Geek. February 16, 2012, 06:07. Available at: http://www.acronymgeek.com/VZDL. Accessed February 16, 2012, 06:07. |