APA (7th ed.) Citation

Crosby, A. W. (1993). Ecological imperialism: The biological expansion of Europe, 900-1900. Cambridge University Press.

Chicago Style (17th ed.) Citation

Crosby, Alfred W. Ecological Imperialism: The Biological Expansion of Europe, 900-1900. Cambridge, United Kingdom: Cambridge University Press, 1993.

MLA (9th ed.) Citation

Crosby, Alfred W. Ecological Imperialism: The Biological Expansion of Europe, 900-1900. Cambridge University Press, 1993.