Cita APA (7th ed.)

CLARK, C. (1967). The economics of subsistence agriculture. Macmillan.

Cita Chicago (17th ed.)

CLARK, Colin. The Economics of Subsistence Agriculture. London: Macmillan, 1967.

Cita MLA (9th ed.)

CLARK, Colin. The Economics of Subsistence Agriculture. Macmillan, 1967.

Atenció: Aquestes cites poden no estar 100% correctes.