Citazione Stile APA (7a Edizione)

Duffy, J. (1968). A history of public health in New York City, 1625-1866. Russell Sage Foundation.

Citazione stile Chigago Style (17a edizione)

Duffy, John. A History of Public Health in New York City, 1625-1866. New York: Russell Sage Foundation, 1968.

Citatione MLA (9a ed.)

Duffy, John. A History of Public Health in New York City, 1625-1866. Russell Sage Foundation, 1968.