APA (7th ed.) Citation

Giarratano, J. C., & Riley, G. (1998). Expert systems: Principles and programming (3rd ed.). PWS Pub. Co..

Chicago Style (17th ed.) Citation

Giarratano, Joseph C., and Gary Riley. Expert Systems: Principles and Programming. 3rd ed. Boston: PWS Pub. Co., 1998.

MLA (9th ed.) Citation

Giarratano, Joseph C., and Gary Riley. Expert Systems: Principles and Programming. 3rd ed. PWS Pub. Co., 1998.