APA (7th ed.) Citation

Porter, M. E. Competitive strategy: Techniques for analyzing industries and competitors. The Free Press.

Chicago Style (17th ed.) Citation

Porter, Michael E. Competitive Strategy: Techniques for Analyzing Industries and Competitors. New York: The Free Press.

MLA (9th ed.) Citation

Porter, Michael E. Competitive Strategy: Techniques for Analyzing Industries and Competitors. The Free Press.

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