APA (7th ed.) Citation

(1990). Knowledge engineering toolkits (1. publ.). Ellis Horwood.

Chicago Style (17th ed.) Citation

Knowledge Engineering Toolkits. 1. publ. New York u.a: Ellis Horwood, 1990.

MLA (9th ed.) Citation

Knowledge Engineering Toolkits. 1. publ. Ellis Horwood, 1990.