Cita APA (7a ed.)

Gunther, J. (1950). Roosevelt in retrospect: A profile in history. Pyramid.

Cita Chicago Style (17a ed.)

Gunther, John. Roosevelt in Retrospect: A Profile in History. New York: Pyramid, 1950.

Cita MLA (9a ed.)

Gunther, John. Roosevelt in Retrospect: A Profile in History. Pyramid, 1950.