APA (7th ed.) Citation

Beard, C. A. (1954). An economic interpretation of the Constitution of the United States. The Macmillan Company.

Chicago Style (17th ed.) Citation

Beard, Charles Austin. An Economic Interpretation of the Constitution of the United States. New York: The Macmillan Company, 1954.

MLA (9th ed.) Citation

Beard, Charles Austin. An Economic Interpretation of the Constitution of the United States. The Macmillan Company, 1954.