APA (7th ed.) Citation

Lewis, E. R. (1937). A history of American political thought from the Civil War to the World War. Macmillan.

Chicago Style (17th ed.) Citation

Lewis, Edward R. A History of American Political Thought from the Civil War to the World War. New York: Macmillan, 1937.

MLA (9th ed.) Citation

Lewis, Edward R. A History of American Political Thought from the Civil War to the World War. Macmillan, 1937.