APA (7th ed.) Citation

Hadfield, J. A. (1976). Childhood and adolescence. Penguin Books.

Chicago Style (17th ed.) Citation

Hadfield, J. A. Childhood and Adolescence. Harmondsworth: Penguin Books, 1976.

MLA (8th ed.) Citation

Hadfield, J. A. Childhood and Adolescence. Penguin Books, 1976.