APA (7th ed.) Citation

Pigford, D., & Baur, G. R. (1990). Expert systems for business: Concepts and applications. Boyd & Fraser.

Chicago Style (17th ed.) Citation

Pigford, D.V, and Gregory R. Baur. Expert Systems for Business: Concepts and Applications. Boston: Boyd & Fraser, 1990.

MLA (9th ed.) Citation

Pigford, D.V, and Gregory R. Baur. Expert Systems for Business: Concepts and Applications. Boyd & Fraser, 1990.