| APA | VYN. (2012, February 14). In Acronym Geek. Retrieved 19:20, February 14, 2012, from http://www.acronymgeek.com/VYN |
| MLA | "VYN." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/VYN>. |
| MHRA | 'VYN', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/VYN> [accessed 14 February 2012] |
| Chicago | "VYN", http://www.acronymgeek.com/VYN (accessed February 14, 2012). |
| CBE/CSE | VYN [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/VYN. |
| Bluebook | VYN, http://www.acronymgeek.com/VYN (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VYN, http://www.acronymgeek.com/VYN (optional description here) (as of Feb. 14, 2012, 19:20). |
| AMA | VYN. Acronym Geek. February 14, 2012, 19:20. Available at: http://www.acronymgeek.com/VYN. Accessed February 14, 2012, 19:20. |