APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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