"Free Vaccination For New York's Millions. How the virus is prepared in the finest laboratory in the world for use by the health department's doctors."
MLA
Hansen, Bert, 1944-. "Free Vaccination For New York's Millions. How the virus is prepared in the finest laboratory in the world for use by the health department's doctors.". Box 2, folder 39. 1901 January 5. https://collections.library.yale.edu/catalog/32325681.
APA, 6th edition
Hansen, Bert, 1944-. (["Box 2, folder 39"])(1901 January 5)["Free Vaccination For New York's Millions. How the virus is prepared in the finest laboratory in the world for use by the health department's doctors."]. https://collections.library.yale.edu/catalog/32325681.
