APA (7th ed.) Citation

Magretta, J. (2012). Understanding Michael Porter: The essential guide to competition and strategy. Harvard Business Review Press.

Chicago Style (17th ed.) Citation

Magretta, Joan. Understanding Michael Porter: The Essential Guide to Competition and Strategy. Boston, Mass.: Harvard Business Review Press, 2012.

MLA (9th ed.) Citation

Magretta, Joan. Understanding Michael Porter: The Essential Guide to Competition and Strategy. Harvard Business Review Press, 2012.