APA Style

Porter, Michael E.. (1983). Cases in Competitive Strategy . New York: Free Press.

Chicago Style

Porter, Michael E.. Cases in Competitive Strategy. New York: Free Press, 1983. Text.

MLA Style

Porter, Michael E.. Cases in Competitive Strategy. New York: Free Press, 1983. Text.

Turabian Style

Porter, Michael E.. Cases in Competitive Strategy. New York: Free Press, 1983. Print.