APA (7th ed.) Citation

Porter, M. E. (1980). Competitive strategy: Techniques for analyzing, industries and competitors:with a new introduction. The Free Press.

Chicago Style (17th ed.) Citation

Porter, Michael E. Competitive Strategy: Techniques for Analyzing, Industries and Competitors:with a New Introduction. New York: The Free Press, 1980.

MLA (9th ed.) Citation

Porter, Michael E. Competitive Strategy: Techniques for Analyzing, Industries and Competitors:with a New Introduction. The Free Press, 1980.

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