Cita APA

Perkins, J. H., & Perkins, J. H. (1997). Geopolitics and the green revolution: Wheat, genes, and the cold war. New York: Oxford University Press.

Citación estilo Chicago

Perkins, John H., y John H. Perkins. Geopolitics and the Green Revolution: Wheat, Genes, and the Cold War. New York: Oxford University Press, 1997.

Cita MLA

Perkins, John H., y John H. Perkins. Geopolitics and the Green Revolution: Wheat, Genes, and the Cold War. New York: Oxford University Press, 1997.