APA (7th ed.) Citation

Porter, M. E. (2008). On competition (Updated and expanded ed.). Harvard Business School Pub.

Chicago Style (17th ed.) Citation

Porter, Michael E. On Competition. Updated and expanded ed. Boston, MA: Harvard Business School Pub, 2008.

MLA (9th ed.) Citation

Porter, Michael E. On Competition. Updated and expanded ed. Harvard Business School Pub, 2008.