Wadsworth, B. J. (1979). Piaget's theory of cognitive development: An introduction for students of psychology and education (2d ed.). Longman.
Chicago Style (17th ed.) CitationWadsworth, Barry J. Piaget's Theory of Cognitive Development: An Introduction for Students of Psychology and Education. 2d ed. New York: Longman, 1979.
MLA (8th ed.) CitationWadsworth, Barry J. Piaget's Theory of Cognitive Development: An Introduction for Students of Psychology and Education. 2d ed. Longman, 1979.
Warning: These citations may not always be 100% accurate.