APA (7th ed.) Citation

Piaget, J. (1972). Psychology and epistemology / by J. Piaget. Penguin.

Chicago Style (17th ed.) Citation

Piaget, Jean. Psychology and Epistemology / by J. Piaget. Penguin, 1972.

MLA (9th ed.) Citation

Piaget, Jean. Psychology and Epistemology / by J. Piaget. Penguin, 1972.

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