| APA | VYGS. (2012, February 16). In Acronym Geek. Retrieved 11:40, February 16, 2012, from http://www.acronymgeek.com/VYGS |
| MLA | "VYGS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/VYGS>. |
| MHRA | 'VYGS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/VYGS> [accessed 16 February 2012] |
| Chicago | "VYGS", http://www.acronymgeek.com/VYGS (accessed February 16, 2012). |
| CBE/CSE | VYGS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/VYGS. |
| Bluebook | VYGS, http://www.acronymgeek.com/VYGS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VYGS, http://www.acronymgeek.com/VYGS (optional description here) (as of Feb. 16, 2012, 11:40). |
| AMA | VYGS. Acronym Geek. February 16, 2012, 11:40. Available at: http://www.acronymgeek.com/VYGS. Accessed February 16, 2012, 11:40. |