APA (7th ed.) Citation

Halpenny, A. M., & Pettersen, J. (2014). Introducing Piaget: A guide for practitioners and students in early years education. Routledge.

Chicago Style (17th ed.) Citation

Halpenny, Ann Marie, and Jan Pettersen. Introducing Piaget: A Guide for Practitioners and Students in Early Years Education. London [etc.]: Routledge, 2014.

MLA (9th ed.) Citation

Halpenny, Ann Marie, and Jan Pettersen. Introducing Piaget: A Guide for Practitioners and Students in Early Years Education. Routledge, 2014.