Cita APA (7th ed.)

Baldwin, A. L. (1980). Theories of child development (2nd ed.). John Wiley & Sons.

Cita Chicago (17th ed.)

Baldwin, Alfred L. Theories of Child Development. 2nd ed. New York: John Wiley & Sons, 1980.

Cita MLA (9th ed.)

Baldwin, Alfred L. Theories of Child Development. 2nd ed. John Wiley & Sons, 1980.