APA (7th ed.) Citation

Wadsworth, B. J. (2004). Piaget's theory of cognitive and affective development (5a. ed.). Pearson Education Inc.

Chicago Style (17th ed.) Citation

Wadsworth, Barry J. Piaget's Theory of Cognitive and Affective Development. 5a. ed. Boston: Pearson Education Inc, 2004.

MLA (9th ed.) Citation

Wadsworth, Barry J. Piaget's Theory of Cognitive and Affective Development. 5a. ed. Pearson Education Inc, 2004.