APA (7th ed.) Citation

Sullivan, J. W., & Tyler, S. W. (1991). Intelligent user interfaces. ACM Press.

Chicago Style (17th ed.) Citation

Sullivan, Joseph William, and Sherman W. Tyler. Intelligent User Interfaces. New York, N.Y.: ACM Press, 1991.

MLA (9th ed.) Citation

Sullivan, Joseph William, and Sherman W. Tyler. Intelligent User Interfaces. ACM Press, 1991.