APA (7th ed.) Citation

Porter. (1985). Competitive Advantage: Creating And Sustaining Superior Performance. The Free Press.

Chicago Style (17th ed.) Citation

Porter. Competitive Advantage: Creating And Sustaining Superior Performance. The Free Press, 1985.

MLA (8th ed.) Citation

Porter. Competitive Advantage: Creating And Sustaining Superior Performance. The Free Press, 1985.

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