Sköld, P. (1996). The two faces of smallpox: A disease and its prevention in eighteenth- and nineteenth-century Sweden. Demographic Data Base, Umeå Univ.
Chicago-Zitierstil (17. Ausg.)Sköld, Peter. The Two Faces of Smallpox: A Disease and Its Prevention in Eighteenth- and Nineteenth-century Sweden. Ume̊a: Demographic Data Base, Umeå Univ, 1996.
MLA-Zitierstil (9. Ausg.)Sköld, Peter. The Two Faces of Smallpox: A Disease and Its Prevention in Eighteenth- and Nineteenth-century Sweden. Demographic Data Base, Umeå Univ, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.