Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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