Cita APA (7a ed.)

Ries, A., Gardner, G., & Trout, J. (2001). Positioning: The battle for your mind ([First edition].). McGraw Hill-Ascent Audio.

Cita Chicago Style (17a ed.)

Ries, Al, Grover Gardner, y Jack Trout. Positioning: The Battle for Your Mind. [First edition]. [Place of publication not identified]: McGraw Hill-Ascent Audio, 2001.

Cita MLA (9a ed.)

Ries, Al, et al. Positioning: The Battle for Your Mind. [First edition]. McGraw Hill-Ascent Audio, 2001.