Cita APA (7a ed.)

Pillsbury, W. B. (1910). The psychology of reasoning. D. Appleton and Company.

Cita Chicago Style (17a ed.)

Pillsbury, W. B. The Psychology of Reasoning. New York ; London: D. Appleton and Company, 1910.

Cita MLA (9a ed.)

Pillsbury, W. B. The Psychology of Reasoning. D. Appleton and Company, 1910.