Cita APA (7a ed.)

Porter, M. E. (1990). The competitive advantage of nations. The Free Press.

Cita Chicago Style (17a ed.)

Porter, Michael E. The Competitive Advantage of Nations. New York: The Free Press, 1990.

Cita MLA (8a ed.)

Porter, Michael E. The Competitive Advantage of Nations. The Free Press, 1990.

Precaución: Estas citas no son 100% exactas.