Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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