APA (7th ed.) Citation

Wadsworth, B. J. (1989). Piaget's theory of cognitive and affective development / Barry J. Wadsworth ; with drawings by the author (4th ed.). Longman.

Chicago Style (17th ed.) Citation

Wadsworth, Barry J. Piaget's Theory of Cognitive and Affective Development / Barry J. Wadsworth ; with Drawings by the Author. 4th ed. New York ; London: Longman, 1989.

MLA (9th ed.) Citation

Wadsworth, Barry J. Piaget's Theory of Cognitive and Affective Development / Barry J. Wadsworth ; with Drawings by the Author. 4th ed. Longman, 1989.

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