APA (7th ed.) Citation

Sell, P. S. (1985). Expert systems: A practical introduction (1. publ.). Macmillan.

Chicago Style (17th ed.) Citation

Sell, Peter S. Expert Systems: A Practical Introduction. 1. publ. Basingstoke u.a: Macmillan, 1985.

MLA (9th ed.) Citation

Sell, Peter S. Expert Systems: A Practical Introduction. 1. publ. Macmillan, 1985.