| APA | VYSF. (2012, February 16). In Acronym Geek. Retrieved 07:16, February 16, 2012, from http://www.acronymgeek.com/VYSF |
| MLA | "VYSF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/VYSF>. |
| MHRA | 'VYSF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/VYSF> [accessed 16 February 2012] |
| Chicago | "VYSF", http://www.acronymgeek.com/VYSF (accessed February 16, 2012). |
| CBE/CSE | VYSF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/VYSF. |
| Bluebook | VYSF, http://www.acronymgeek.com/VYSF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VYSF, http://www.acronymgeek.com/VYSF (optional description here) (as of Feb. 16, 2012, 07:16). |
| AMA | VYSF. Acronym Geek. February 16, 2012, 07:16. Available at: http://www.acronymgeek.com/VYSF. Accessed February 16, 2012, 07:16. |