APA Style

Magretta, Joan. (2012). Understanding Michael Porter: The Essential Guide to Competition And Strategy . Boston: Harvard Business review press.

Chicago Style

Magretta, Joan. Understanding Michael Porter: The Essential Guide to Competition And Strategy. Boston: Harvard Business review press, 2012. Text.

MLA Style

Magretta, Joan. Understanding Michael Porter: The Essential Guide to Competition And Strategy. Boston: Harvard Business review press, 2012. Text.

Turabian Style

Magretta, Joan. Understanding Michael Porter: The Essential Guide to Competition And Strategy. Boston: Harvard Business review press, 2012. Print.