Cita APA (7a ed.)

Sharp, I. (2012). Four Seasons: The story of a business philosophy. Portfolio/Penguin.

Cita Chicago Style (17a ed.)

Sharp, Isadore. Four Seasons: The Story of a Business Philosophy. New York: Portfolio/Penguin, 2012.

Cita MLA (9a ed.)

Sharp, Isadore. Four Seasons: The Story of a Business Philosophy. Portfolio/Penguin, 2012.