APA (7th ed.) Citation

Letwin, W. (1961). A documentary history of American economic policy since 1789. Doubleday.

Chicago Style (17th ed.) Citation

Letwin, William. A Documentary History of American Economic Policy Since 1789. New York: Doubleday, 1961.

MLA (9th ed.) Citation

Letwin, William. A Documentary History of American Economic Policy Since 1789. Doubleday, 1961.