APA (7th ed.) Citation

Manning, G., & Curtis, K. (1988). Human behavior: Why people do what they do. VistaSystems.

Chicago Style (17th ed.) Citation

Manning, George, and Kent Curtis. Human Behavior: Why People Do What They Do. Cincinnati, Ohio: VistaSystems, 1988.

MLA (8th ed.) Citation

Manning, George, and Kent Curtis. Human Behavior: Why People Do What They Do. VistaSystems, 1988.

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