Citazione APA

Thomas Robert Malthus. (1976). An Essay in the Principle of Population (Ed.Philip Appleman.). W.W Norton and Company.

Stile di citazione Chicago

Thomas Robert Malthus. An Essay in the Principle of Population. Ed.Philip Appleman. New York: W.W Norton and Company, 1976.

Citazione MLA

Thomas Robert Malthus. An Essay in the Principle of Population. Ed.Philip Appleman. W.W Norton and Company, 1976.