Cita APA (7th ed.)

Butterwick, M. W., & Rolfe, E. N. (1968). Food, farming, and the Common Market. Oxford University Press.

Cita Chicago (17th ed.)

Butterwick, Michael Willoughby, i Edmund Neville Rolfe. Food, Farming, and the Common Market. London: Oxford University Press, 1968.

Cita MLA (9th ed.)

Butterwick, Michael Willoughby, i Edmund Neville Rolfe. Food, Farming, and the Common Market. Oxford University Press, 1968.