APA (7th ed.) Citation

Baldwin, A. L. (1967). Theories of child development. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Baldwin, Alfred L. Theories of Child Development. New York: John Wiley & Sons, 1967.

MLA (9th ed.) Citation

Baldwin, Alfred L. Theories of Child Development. John Wiley & Sons, 1967.