| APA | VHYS. (2012, February 15). In Acronym Geek. Retrieved 13:57, February 15, 2012, from http://www.acronymgeek.com/VHYS |
| MLA | "VHYS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/VHYS>. |
| MHRA | 'VHYS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/VHYS> [accessed 15 February 2012] |
| Chicago | "VHYS", http://www.acronymgeek.com/VHYS (accessed February 15, 2012). |
| CBE/CSE | VHYS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/VHYS. |
| Bluebook | VHYS, http://www.acronymgeek.com/VHYS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VHYS, http://www.acronymgeek.com/VHYS (optional description here) (as of Feb. 15, 2012, 13:57). |
| AMA | VHYS. Acronym Geek. February 15, 2012, 13:57. Available at: http://www.acronymgeek.com/VHYS. Accessed February 15, 2012, 13:57. |