APA (7th ed.) Citation

Cleal, D. M., & Heaton, N. O. (1988). Knowledge-based systems: Implications for human-computer interfaces. E. Horwood ; Halsted Press.

Chicago Style (17th ed.) Citation

Cleal, D. M., and N. O. Heaton. Knowledge-based Systems: Implications for Human-computer Interfaces. Chichester : New York: E. Horwood ; Halsted Press, 1988.

MLA (8th ed.) Citation

Cleal, D. M., and N. O. Heaton. Knowledge-based Systems: Implications for Human-computer Interfaces. E. Horwood ; Halsted Press, 1988.