APA (7th ed.) Citation

Lenat, D. B., Waterman, D. A., & Hayes-Roth, F. Building expert systems.

Chicago Style (17th ed.) Citation

Lenat, Douglas B., D. A. Waterman, and Frederick Hayes-Roth. Building Expert Systems.

MLA (9th ed.) Citation

Lenat, Douglas B., et al. Building Expert Systems.