APA (7th ed.) Citation

Allen, F. L. (1931). Only yesterday: An informal history of the nineteen-twenties. Harper.

Chicago Style (17th ed.) Citation

Allen, Frederick Lewis. Only Yesterday: An Informal History of the Nineteen-twenties. New York: Harper, 1931.

MLA (9th ed.) Citation

Allen, Frederick Lewis. Only Yesterday: An Informal History of the Nineteen-twenties. Harper, 1931.

Warning: These citations may not always be 100% accurate.