APA (7th ed.) Citation

Penn, H. (2000). Early childhood services: Theory, policy, and practice. Open University Press.

Chicago Style (17th ed.) Citation

Penn, Helen. Early Childhood Services: Theory, Policy, and Practice. Buckingham, [Eng.]: Open University Press, 2000.

MLA (9th ed.) Citation

Penn, Helen. Early Childhood Services: Theory, Policy, and Practice. Open University Press, 2000.