APA (7th ed.) Citation

Ginsburg, H., & Opper, S. (1988). Piaget's theory of intellectual development / Herbert P. Ginsburg, Sylvia Opper (3rd ed.). Prentice Hall ;.

Chicago Style (17th ed.) Citation

Ginsburg, Herbert, and Sylvia Opper. Piaget's Theory of Intellectual Development / Herbert P. Ginsburg, Sylvia Opper. 3rd ed. Englewood Cliffs ; London: Prentice Hall ;, 1988.

MLA (9th ed.) Citation

Ginsburg, Herbert, and Sylvia Opper. Piaget's Theory of Intellectual Development / Herbert P. Ginsburg, Sylvia Opper. 3rd ed. Prentice Hall ;, 1988.

Warning: These citations may not always be 100% accurate.