Cita APA (7a ed.)

Hatfield, G. C. (1990). The natural and the normative: Theories of spatial perception from Kant to Helmholtz. MIT.

Cita Chicago Style (17a ed.)

Hatfield, Gary Carl. The Natural and the Normative: Theories of Spatial Perception from Kant to Helmholtz. Cambridge (Massachusetts) [etc.]: MIT, 1990.

Cita MLA (9a ed.)

Hatfield, Gary Carl. The Natural and the Normative: Theories of Spatial Perception from Kant to Helmholtz. MIT, 1990.