APA (7th ed.) Citation

Nagy, T., Gault, D., & Nagy, M. (1985). Building your first expert system. Ashton-Tate.

Chicago Style (17th ed.) Citation

Nagy, Tom, Dick Gault, and Monica Nagy. Building Your First Expert System. Culver City, California: Ashton-Tate, 1985.

MLA (9th ed.) Citation

Nagy, Tom, et al. Building Your First Expert System. Ashton-Tate, 1985.