APA (7th ed.) Citation

Liebowitz, J., & Letsky, C. Developing your first expert system.

Chicago Style (17th ed.) Citation

Liebowitz, Jay, and Christine Letsky. Developing Your First Expert System.

MLA (8th ed.) Citation

Liebowitz, Jay, and Christine Letsky. Developing Your First Expert System.

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