Cita APA (7th ed.)

Allen, F. L. (1997). Only yesterday: An informal history of the 1920's. Wiley.

Cita Chicago (17th ed.)

Allen, Frederick Lewis. Only Yesterday: An Informal History of the 1920's. New York: Wiley, 1997.

Cita MLA (8th ed.)

Allen, Frederick Lewis. Only Yesterday: An Informal History of the 1920's. Wiley, 1997.