APA (7th ed.) Citation

Porter, M. E. (1998). Competitive advantage: Creating and sustaining superior performance. Free Press.

Chicago Style (17th ed.) Citation

Porter, Michael E. Competitive Advantage: Creating and Sustaining Superior Performance. New York: Free Press, 1998.

MLA (8th ed.) Citation

Porter, Michael E. Competitive Advantage: Creating and Sustaining Superior Performance. Free Press, 1998.

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