Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Estes, William K. Classification and Cognition. London [etc.]: Oxford University Press [etc.], 1994.

Cita MLA (9a ed.)

Estes, William K. Classification and Cognition. Oxford University Press [etc.], 1994.