APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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