Cita APA (7th ed.)

Clark, J. M. (1967). Preface to social economics: Essays on economic theory and social problems. Kelley.

Cita Chicago (17th ed.)

Clark, John Maurice. Preface to Social Economics: Essays on Economic Theory and Social Problems. New York: Kelley, 1967.

Cita MLA (9th ed.)

Clark, John Maurice. Preface to Social Economics: Essays on Economic Theory and Social Problems. Kelley, 1967.