Cita APA (7a ed.)

(1939). Foundations of educational psychology; nature's gifts to man. Longmans.

Cita Chicago Style (17a ed.)

Foundations of Educational Psychology; Nature's Gifts to Man. New York: Longmans, 1939.

Cita MLA (9a ed.)

Foundations of Educational Psychology; Nature's Gifts to Man. Longmans, 1939.