APA (7th ed.) Citation

Buell, R. L. (1940). Isolated America. A.A. Knopf.

Chicago Style (17th ed.) Citation

Buell, Raymond Leslie. Isolated America. New York, London: A.A. Knopf, 1940.

MLA (9th ed.) Citation

Buell, Raymond Leslie. Isolated America. A.A. Knopf, 1940.