APA (7th ed.) Citation

Piaget, J., & Rosin, A. (1977). Psychology and epistemology: Towards a theory of knowledge. Penguin.

Chicago Style (17th ed.) Citation

Piaget, Jean, and Arnold Rosin. Psychology and Epistemology: Towards a Theory of Knowledge. Harmondsworth, Middlesex: Penguin, 1977.

MLA (9th ed.) Citation

Piaget, Jean, and Arnold Rosin. Psychology and Epistemology: Towards a Theory of Knowledge. Penguin, 1977.