APA (7th ed.) Citation

Cleal, D. M., & Heaton, N. O. (1988). Knowledge-based systems: Implications for human computer interfaces (1. publ.). Horwood.

Chicago Style (17th ed.) Citation

Cleal, David M., and Nigel O. Heaton. Knowledge-based Systems: Implications for Human Computer Interfaces. 1. publ. Chichester u.a: Horwood, 1988.

MLA (9th ed.) Citation

Cleal, David M., and Nigel O. Heaton. Knowledge-based Systems: Implications for Human Computer Interfaces. 1. publ. Horwood, 1988.