APA (7th ed.) Citation

Schank, R. C., & Colby, K. M. (1973). Computer models of thought and language. Freeman.

Chicago Style (17th ed.) Citation

Schank, Roger C., and Kenneth Mark Colby. Computer Models of Thought and Language. San Francisco: Freeman, 1973.

MLA (9th ed.) Citation

Schank, Roger C., and Kenneth Mark Colby. Computer Models of Thought and Language. Freeman, 1973.