Cita APA (7a ed.)

Cowling, K., Metcalf, D., & Rayner, A. (1970). Resource structure of agriculture: An economic analysis. Pergamon.

Cita Chicago Style (17a ed.)

Cowling, Keith, David Metcalf, y A.J Rayner. Resource Structure of Agriculture: An Economic Analysis. Oxford: Pergamon, 1970.

Cita MLA (8a ed.)

Cowling, Keith, et al. Resource Structure of Agriculture: An Economic Analysis. Pergamon, 1970.