APA (7th ed.) Citation

Ault, R. L. (1977). Children's cognitive development: Piaget's theory and the process approach. Oxford University Press.

Chicago Style (17th ed.) Citation

Ault, Ruth L. Children's Cognitive Development: Piaget's Theory and the Process Approach. New York: Oxford University Press, 1977.

MLA (9th ed.) Citation

Ault, Ruth L. Children's Cognitive Development: Piaget's Theory and the Process Approach. Oxford University Press, 1977.