APA (7th ed.) Citation

Wadsworth, B. J. (1984). Piaget's theory of cognitive and affective development (3. ed.). Longman.

Chicago Style (17th ed.) Citation

Wadsworth, Barry J. Piaget's Theory of Cognitive and Affective Development. 3. ed. New York, NY [u.a.]: Longman, 1984.

MLA (8th ed.) Citation

Wadsworth, Barry J. Piaget's Theory of Cognitive and Affective Development. 3. ed. Longman, 1984.