Cita APA

Donald E P Smith. (1961). Learning to learn. New York: Harcourt, Brace and World.

Citación estilo Chicago

Donald E P Smith. Learning to Learn. New York: Harcourt, Brace and World, 1961.

Cita MLA

Donald E P Smith. Learning to Learn. New York: Harcourt, Brace and World, 1961.