Cita APA (7th ed.)

Beard, C. A. (1941). An economic interpretation of the constitution of the United States. MacMillan.

Cita Chicago (17th ed.)

Beard, Charles A. An Economic Interpretation of the Constitution of the United States. Nueva York: MacMillan, 1941.

Cita MLA (9th ed.)

Beard, Charles A. An Economic Interpretation of the Constitution of the United States. MacMillan, 1941.