Cita APA (7th ed.)

HARDIN, C. M. (1952). The Politics of agriculture: Soil conservation and the struggle. The Free Pr..

Cita Chicago (17th ed.)

HARDIN, Charles M. The Politics of Agriculture: Soil Conservation and the Struggle. Illinois: The Free Pr., 1952.

Cita MLA (9th ed.)

HARDIN, Charles M. The Politics of Agriculture: Soil Conservation and the Struggle. The Free Pr., 1952.

Atenció: Aquestes cites poden no estar 100% correctes.