APA (7th ed.) Citation

Alty, J. L., & Coombs, M. J. Expert systems: Concepts and examples.

Chicago Style (17th ed.) Citation

Alty, J. L., and M. J. Coombs. Expert Systems: Concepts and Examples.

MLA (9th ed.) Citation

Alty, J. L., and M. J. Coombs. Expert Systems: Concepts and Examples.

Warning: These citations may not always be 100% accurate.