APA (7th ed.) Citation

Estes, W. K. (1994). Classification and cognition. Oxford University Press.

Chicago Style (17th ed.) Citation

Estes, W. K. Classification and Cognition. New York, NY: Oxford University Press, 1994.

MLA (8th ed.) Citation

Estes, W. K. Classification and Cognition. Oxford University Press, 1994.