Cita APA (7th ed.)
Soule, G. (1952). Ideas of the great economists. Mentor book.
Cita Chicago (17th ed.)
Soule, George. Ideas of the Great Economists. New York: Mentor book, 1952.
Cita MLA (9th ed.)
Soule, George. Ideas of the Great Economists. Mentor book, 1952.
Atenció: Aquestes cites poden no estar 100% correctes.