APA Edition Citation

Porter, M. E. (1985). Competitive advantage: Creating and sustaining superior performance.

Chicago Edition Citation

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

MLA Edition Citation

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

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