Cita APA (7th ed.)
Soule, G. (1948). The new science of economics: An introduction. A Fawcett Premier Book.
Cita Chicago (17th ed.)
Soule, George. The New Science of Economics: An Introduction. New York: A Fawcett Premier Book, 1948.
Cita MLA (9th ed.)
Soule, George. The New Science of Economics: An Introduction. A Fawcett Premier Book, 1948.
Atenció: Aquestes cites poden no estar 100% correctes.