APA (7th ed.) Citation

Ras, Z., & Zemankova, M. (1990). Intelligent systems: State of the art and future directions. E. Horwood.

Chicago Style (17th ed.) Citation

Ras, Zbigniew, and Maria Zemankova. Intelligent Systems: State of the Art and Future Directions. New York: E. Horwood, 1990.

MLA (9th ed.) Citation

Ras, Zbigniew, and Maria Zemankova. Intelligent Systems: State of the Art and Future Directions. E. Horwood, 1990.