Cita APA (7a ed.)

Robbins, A. (1988). Unlimited power: The new science of personal achievament. Simon and schuster.

Cita Chicago Style (17a ed.)

Robbins, Anthony. Unlimited Power: The New Science of Personal Achievament. London: Simon and schuster, 1988.

Cita MLA (9a ed.)

Robbins, Anthony. Unlimited Power: The New Science of Personal Achievament. Simon and schuster, 1988.