Παραπομπή APA

Crosby, A. W. (1986). Ecological Imperialism: The biological expansion of Europe, 900-1900. Cambridge university press.

Παραπομπή Chicago Style

Crosby, Alfred W. Ecological Imperialism: The Biological Expansion of Europe, 900-1900. New Delhi: Cambridge university press, 1986.

Παραπομπή MLA

Crosby, Alfred W. Ecological Imperialism: The Biological Expansion of Europe, 900-1900. Cambridge university press, 1986.