Cita APA

Allen, F. L. (1972). Since yesterday: The nineteen-thirties in America, September 3, 1929-September 3, 1939. Harper & Row Publishers.

Citación estilo Chicago

Allen, Frederick Lewis. Since Yesterday: The Nineteen-thirties in America, September 3, 1929-September 3, 1939. New York: Harper & Row Publishers, 1972.

Cita MLA

Allen, Frederick Lewis. Since Yesterday: The Nineteen-thirties in America, September 3, 1929-September 3, 1939. Harper & Row Publishers, 1972.