APA (7th ed.) Citation

Tuthill, G. S. (1990). Knowledge engineering: Concepts and practices for knowledge-based systems. TAB Professional and Reference Books.

Chicago Style (17th ed.) Citation

Tuthill, G. Steven. Knowledge Engineering: Concepts and Practices for Knowledge-based Systems. Blue Ridge Summit: TAB Professional and Reference Books, 1990.

MLA (9th ed.) Citation

Tuthill, G. Steven. Knowledge Engineering: Concepts and Practices for Knowledge-based Systems. TAB Professional and Reference Books, 1990.