APA (7th ed.) Citation

Keller, R. (1987). Expert system technology: Development and application. Yourdon.

Chicago Style (17th ed.) Citation

Keller, Robert. Expert System Technology: Development and Application. Englewood Clifs: Yourdon, 1987.

MLA (9th ed.) Citation

Keller, Robert. Expert System Technology: Development and Application. Yourdon, 1987.

Warning: These citations may not always be 100% accurate.