APA (7th ed.) Zitazioa

Beard, C. A. (1941). An economic interpretation of the constitution of the United States. Free Pr.; London : Collier-Macmillan.

Chicago Style (17th ed.) Zitazioa

Beard, Charles A. An Economic Interpretation of the Constitution of the United States. New York: Free Pr.; London : Collier-Macmillan, 1941.

MLA (9th ed.) Zitazioa

Beard, Charles A. An Economic Interpretation of the Constitution of the United States. Free Pr.; London : Collier-Macmillan, 1941.