Cita APA (7a ed.)

Wrigley, G. (1971). Tropical agriculture: The development of production. Faber and Faber.

Cita Chicago Style (17a ed.)

Wrigley, Gordon. Tropical Agriculture: The Development of Production. London: Faber and Faber, 1971.

Cita MLA (8a ed.)

Wrigley, Gordon. Tropical Agriculture: The Development of Production. Faber and Faber, 1971.