Cita APA (7a ed.)

Upton, M. (1973). Farm management in Africa: The principles of production and planning. Oxford.

Cita Chicago Style (17a ed.)

Upton, Martin. Farm Management in Africa: The Principles of Production and Planning. London: Oxford, 1973.

Cita MLA (9a ed.)

Upton, Martin. Farm Management in Africa: The Principles of Production and Planning. Oxford, 1973.