Cita APA (7a ed.)

Baldwin, A. L. (1968). Theories of child development. J. Wiley.

Cita Chicago Style (17a ed.)

Baldwin, Alfred L. Theories of Child Development. New York: J. Wiley, 1968.

Cita MLA (9a ed.)

Baldwin, Alfred L. Theories of Child Development. J. Wiley, 1968.