APA (7th ed.) Citation

Porter, M. E. (1990). The Competitive advantage of nations. MacMillan.

Chicago Style (17th ed.) Citation

Porter, Michael E. The Competitive Advantage of Nations. London: MacMillan, 1990.

MLA (9th ed.) Citation

Porter, Michael E. The Competitive Advantage of Nations. MacMillan, 1990.

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