APA (7th ed.) Citation

Butterworth, G. (1982). Infancy and epistemology: An evaluation of Piaget's theory. St. Martin's Press.

Chicago Style (17th ed.) Citation

Butterworth, George. Infancy and Epistemology: An Evaluation of Piaget's Theory. New York: St. Martin's Press, 1982.

MLA (9th ed.) Citation

Butterworth, George. Infancy and Epistemology: An Evaluation of Piaget's Theory. St. Martin's Press, 1982.