Cita APA

Crosby, A. W. (1972). The Columbian exchange: Biological and cultural consequences of 1492. Greenwood.

Citación estilo Chicago

Crosby, Alfred W. The Columbian Exchange: Biological and Cultural Consequences of 1492. Westport: Greenwood, 1972.

Cita MLA

Crosby, Alfred W. The Columbian Exchange: Biological and Cultural Consequences of 1492. Greenwood, 1972.

Warning: These citations may not always be 100% accurate.