APA (7th ed.) Citation

PORTER. (1998). Competitive strategy: Techniques for analyzing industries and competitors, with a new introduction. The Free Press.

Chicago Style (17th ed.) Citation

PORTER. Competitive Strategy: Techniques for Analyzing Industries and Competitors, with a New Introduction. New York: The Free Press, 1998.

MLA (9th ed.) Citation

PORTER. Competitive Strategy: Techniques for Analyzing Industries and Competitors, with a New Introduction. The Free Press, 1998.

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