Cita APA

Ries, A., & Trout, J. (2001). Positioning: The battle for your mind. New York [etc.]: McGraw-Hill.

Citación estilo Chicago

Ries, Al, and Jack Trout. Positioning: The Battle for Your Mind. New York [etc.]: McGraw-Hill, 2001.

Cita MLA

Ries, Al, and Jack Trout. Positioning: The Battle for Your Mind. New York [etc.]: McGraw-Hill, 2001.

Precaución: Estas citas no son 100% exactas.