| APA | VYSL. (2012, February 16). In Acronym Geek. Retrieved 21:51, February 16, 2012, from http://www.acronymgeek.com/VYSL |
| MLA | "VYSL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/VYSL>. |
| MHRA | 'VYSL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/VYSL> [accessed 16 February 2012] |
| Chicago | "VYSL", http://www.acronymgeek.com/VYSL (accessed February 16, 2012). |
| CBE/CSE | VYSL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/VYSL. |
| Bluebook | VYSL, http://www.acronymgeek.com/VYSL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VYSL, http://www.acronymgeek.com/VYSL (optional description here) (as of Feb. 16, 2012, 21:51). |
| AMA | VYSL. Acronym Geek. February 16, 2012, 21:51. Available at: http://www.acronymgeek.com/VYSL. Accessed February 16, 2012, 21:51. |