APA-Zitierstil (7. Ausg.)

Grigg, D. B. (1974). The agricultural systems of the world: An evolutionary approach. Cambridge University Press.

Chicago-Zitierstil (17. Ausg.)

Grigg, David B. The Agricultural Systems of the World: An Evolutionary Approach. London: Cambridge University Press, 1974.

MLA-Zitierstil (9. Ausg.)

Grigg, David B. The Agricultural Systems of the World: An Evolutionary Approach. Cambridge University Press, 1974.