Duffy, J. (1968). A history of public health in New York City, 1625-1866. Russell Sage Foundation.
Citación estilo ChicagoDuffy, John. A History of Public Health in New York City, 1625-1866. New York: Russell Sage Foundation, 1968.
Cita MLADuffy, John. A History of Public Health in New York City, 1625-1866. Russell Sage Foundation, 1968.
Warning: These citations may not always be 100% accurate.