Beard, C. A. (1941). An economic interpretation of the constitution of the United States. Free Pr.; London : Collier-Macmillan.
Cita Chicago (17th ed.)Beard, Charles A. An Economic Interpretation of the Constitution of the United States. New York: Free Pr.; London : Collier-Macmillan, 1941.
Cita MLA (9th ed.)Beard, Charles A. An Economic Interpretation of the Constitution of the United States. Free Pr.; London : Collier-Macmillan, 1941.
Atenció: Aquestes cites poden no estar 100% correctes.