APA (7th ed.) Citation

Porter, M. E. (1991). Michael E. Porter on competition and strategy. Harvard University.

Chicago Style (17th ed.) Citation

Porter, Michael E. Michael E. Porter on Competition and Strategy. Harvard University, 1991.

MLA (8th ed.) Citation

Porter, Michael E. Michael E. Porter on Competition and Strategy. Harvard University, 1991.

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