| APA | VYL. (2012, February 14). In Acronym Geek. Retrieved 09:58, February 14, 2012, from http://www.acronymgeek.com/VYL |
| MLA | "VYL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/VYL>. |
| MHRA | 'VYL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/VYL> [accessed 14 February 2012] |
| Chicago | "VYL", http://www.acronymgeek.com/VYL (accessed February 14, 2012). |
| CBE/CSE | VYL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/VYL. |
| Bluebook | VYL, http://www.acronymgeek.com/VYL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VYL, http://www.acronymgeek.com/VYL (optional description here) (as of Feb. 14, 2012, 09:58). |
| AMA | VYL. Acronym Geek. February 14, 2012, 09:58. Available at: http://www.acronymgeek.com/VYL. Accessed February 14, 2012, 09:58. |