Valentine, C. W. (1956). The normal child and some of his abnormalities: A general introduction to the psychology of childhood. Penguin Books.
Chicago Style (17th ed.) CitationValentine, C. W. The Normal Child and Some of His Abnormalities: A General Introduction to the Psychology of Childhood. Harmondsworth, Middlesex: Penguin Books, 1956.
MLA (9th ed.) CitationValentine, C. W. The Normal Child and Some of His Abnormalities: A General Introduction to the Psychology of Childhood. Penguin Books, 1956.
Warning: These citations may not always be 100% accurate.