Cita APA (7a ed.)

Crosby, A. W., & Mering, O. v. (1973). The Columbian exchange: Biological and cultural consequences of 1492. Greenwood.

Cita Chicago Style (17a ed.)

Crosby, Alfred W., y Otto von Mering. The Columbian Exchange: Biological and Cultural Consequences of 1492. Westport: Greenwood, 1973.

Cita MLA (9a ed.)

Crosby, Alfred W., y Otto von Mering. The Columbian Exchange: Biological and Cultural Consequences of 1492. Greenwood, 1973.