| APA | VYST. (2012, February 12). In Acronym Geek. Retrieved 10:12, February 12, 2012, from http://www.acronymgeek.com/VYST |
| MLA | "VYST." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/VYST>. |
| MHRA | 'VYST', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/VYST> [accessed 12 February 2012] |
| Chicago | "VYST", http://www.acronymgeek.com/VYST (accessed February 12, 2012). |
| CBE/CSE | VYST [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/VYST. |
| Bluebook | VYST, http://www.acronymgeek.com/VYST (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VYST, http://www.acronymgeek.com/VYST (optional description here) (as of Feb. 12, 2012, 10:12). |
| AMA | VYST. Acronym Geek. February 12, 2012, 10:12. Available at: http://www.acronymgeek.com/VYST. Accessed February 12, 2012, 10:12. |