Cita APA

Gunther, J. 1., & Gunther, J. 1. (1962). Roosevelt in retrospect: A profile in history. New York, New York: Pyramid Books.

Citación estilo Chicago

Gunther, John 1901-1970, y John 1901-1970 Gunther. Roosevelt in Retrospect: A Profile in History. New York, New York: Pyramid Books, 1962.

Cita MLA

Gunther, John 1901-1970, y John 1901-1970 Gunther. Roosevelt in Retrospect: A Profile in History. New York, New York: Pyramid Books, 1962.