Cita APA (7a ed.)

Gates, B., & Steffens, R. (1999). Business @ the speed of thought [casete]: Using digital nervous system. Penguin.

Cita Chicago Style (17a ed.)

Gates, Bill, y Roger Steffens. Business @ the Speed of Thought [casete]: Using Digital Nervous System. London: Penguin, 1999.

Cita MLA (9a ed.)

Gates, Bill, y Roger Steffens. Business @ the Speed of Thought [casete]: Using Digital Nervous System. Penguin, 1999.