Cita APA

Cowling, K. 1., Metcalf, D., & Rayner, A. J. (1970). Resource structure of agriculture, an economic analysis (5.ed.). Oxford: Pergamon.

Citación estilo Chicago

Cowling, Keith 1936-, David Metcalf, y A. J. Rayner. Resource Structure of Agriculture, an Economic Analysis. 5.ed. Oxford: Pergamon, 1970.

Cita MLA

Cowling, Keith 1936-, David Metcalf, y A. J. Rayner. Resource Structure of Agriculture, an Economic Analysis. 5.ed. Oxford: Pergamon, 1970.