APA (7e ed.) Bronvermelding

Crosby, A. W. Ecological imperialism: The biolgical expansión of Europe, 900-1900. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Crosby, Alfred W. Ecological Imperialism: The Biolgical Expansión of Europe, 900-1900. New York (State): Cambridge University Press.

MLA (9e ed.) Bronvermelding

Crosby, Alfred W. Ecological Imperialism: The Biolgical Expansión of Europe, 900-1900. Cambridge University Press.