APA (7th ed.) Citation

Thomas, R. M. (1992). Comparing theories of child development (3rd ed.). Wadsworth.

Chicago Style (17th ed.) Citation

Thomas, Robert Murray. Comparing Theories of Child Development. 3rd ed. Belmont, Calif: Wadsworth, 1992.

MLA (9th ed.) Citation

Thomas, Robert Murray. Comparing Theories of Child Development. 3rd ed. Wadsworth, 1992.