Cita APA (7th ed.)

COHEN, R. (1949). Economics of agriculture. Cambridge University Press.

Cita Chicago (17th ed.)

COHEN, R.L. Economics of Agriculture. Cambridge: Cambridge University Press, 1949.

Cita MLA (9th ed.)

COHEN, R.L. Economics of Agriculture. Cambridge University Press, 1949.

Atenció: Aquestes cites poden no estar 100% correctes.