APA Style

Porter, Michael E.. (1985). Competitive Advantage CREATING AND SUSTAINING SUPERIOR PERFORMANCE . New York: The Free Press.

Chicago Style

Porter, Michael E.. Competitive Advantage CREATING AND SUSTAINING SUPERIOR PERFORMANCE. New York: The Free Press, 1985. Text.

MLA Style

Porter, Michael E.. Competitive Advantage CREATING AND SUSTAINING SUPERIOR PERFORMANCE. New York: The Free Press, 1985. Text.

Turabian Style

Porter, Michael E.. Competitive Advantage CREATING AND SUSTAINING SUPERIOR PERFORMANCE. New York: The Free Press, 1985. Print.