APA (7th ed.) Citation

Maier, H. W. (1978). Three theories of child development (3d ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Maier, Henry W. Three Theories of Child Development. 3d ed. New York: Harper & Row, 1978.

MLA (9th ed.) Citation

Maier, Henry W. Three Theories of Child Development. 3d ed. Harper & Row, 1978.