APA (7th ed.) Citation

Johnson, L., & Keravnou, E. T. (1985). Expert systems technology: A guide. Abacus Pr.

Chicago Style (17th ed.) Citation

Johnson, L., and E. T. Keravnou. Expert Systems Technology: A Guide. Turnbridge Wells u.a: Abacus Pr, 1985.

MLA (9th ed.) Citation

Johnson, L., and E. T. Keravnou. Expert Systems Technology: A Guide. Abacus Pr, 1985.