APA (7th ed.) Citation

Mitchell, T. M., Mason, M. T., & Christiansen, A. D. (1989). Toward a learning robot.

Chicago Style (17th ed.) Citation

Mitchell, Tom M., Matthew T. Mason, and Alan D. Christiansen. Toward a Learning Robot. Pittsburgh, Pa, 1989.

MLA (9th ed.) Citation

Mitchell, Tom M., et al. Toward a Learning Robot. 1989.