Cita APA (7th ed.)

Silk, L. (1974). The economists. Avon.

Cita Chicago (17th ed.)

Silk, Leonard. The Economists. New York: Avon, 1974.

Cita MLA (9th ed.)

Silk, Leonard. The Economists. Avon, 1974.

Atenció: Aquestes cites poden no estar 100% correctes.