Cita APA (7th ed.)

Rifkin, S. B. (1985). Patent profiles: Robots. Patent and Trademark Office, Office of Technology Assessment and Forecast, U.S. Dept. of Commerce.

Cita Chicago (17th ed.)

Rifkin, Susan B. Patent Profiles: Robots. Washington, D.C.: Patent and Trademark Office, Office of Technology Assessment and Forecast, U.S. Dept. of Commerce, 1985.

Cita MLA (8th ed.)

Rifkin, Susan B. Patent Profiles: Robots. Patent and Trademark Office, Office of Technology Assessment and Forecast, U.S. Dept. of Commerce, 1985.

Atenció: Aquestes cites poden no estar 100% correctes.