APA (7th ed.) Citation

Piaget, J. (1972). The principles of genetic epistemology / by J. Piaget. Routledge and Kegan Paul.

Chicago Style (17th ed.) Citation

Piaget, Jean. The Principles of Genetic Epistemology / by J. Piaget. Routledge and Kegan Paul, 1972.

MLA (9th ed.) Citation

Piaget, Jean. The Principles of Genetic Epistemology / by J. Piaget. Routledge and Kegan Paul, 1972.

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