Williamson, S. (2007). The vaccination controversy: The rise, reign and fall of compulsory vaccination for smallpox. Liverpool University Press.
Chicago-Zitierstil (17. Ausg.)Williamson, Stanley. The Vaccination Controversy: The Rise, Reign and Fall of Compulsory Vaccination for Smallpox. Liverpool: Liverpool University Press, 2007.
MLA-Zitierstil (9. Ausg.)Williamson, Stanley. The Vaccination Controversy: The Rise, Reign and Fall of Compulsory Vaccination for Smallpox. Liverpool University Press, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.