APA Edition Citation

Porter,Michael E. (1985). Competitive advantage: Creating and sustaining superior performance. The Free Press.

Chicago Edition Citation

Porter,Michael E. Competitive Advantage: Creating and Sustaining Superior Performance. New York: The Free Press, 1985.

MLA Edition Citation

Porter,Michael E. Competitive Advantage: Creating and Sustaining Superior Performance. The Free Press, 1985.

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