Valentine, C. W. (1956). The normal child : and some of his abnormalities : a general introduction to the psychology of childhood / by C.W. Valentine: And some of his abnormalities : a general introduction to the psychology of childhood. Penguin.
Chicago Style (17th ed.) CitationValentine, C. W. The Normal Child : And Some of His Abnormalities : A General Introduction to the Psychology of Childhood / by C.W. Valentine: And Some of His Abnormalities : A General Introduction to the Psychology of Childhood. Penguin, 1956.
MLA (9th ed.) CitationValentine, C. W. The Normal Child : And Some of His Abnormalities : A General Introduction to the Psychology of Childhood / by C.W. Valentine: And Some of His Abnormalities : A General Introduction to the Psychology of Childhood. Penguin, 1956.