APA (7th ed.) Citation

Thompson, W. S. (1968). Population: A study in Malthusianism. AMS Press.

Chicago Style (17th ed.) Citation

Thompson, Warren Simpson. Population: A Study in Malthusianism. New York: AMS Press, 1968.

MLA (9th ed.) Citation

Thompson, Warren Simpson. Population: A Study in Malthusianism. AMS Press, 1968.