Valentine, C. W. (1956). The normal child and some of his abnormalities: A general introduction to the psychology of childhood (1. publ.). Penguin Books.
Chicago-Zitierstil (17. Ausg.)Valentine, Charles W. The Normal Child and Some of His Abnormalities: A General Introduction to the Psychology of Childhood. 1. publ. Harmondsworth: Penguin Books, 1956.
MLA-Zitierstil (9. Ausg.)Valentine, Charles W. The Normal Child and Some of His Abnormalities: A General Introduction to the Psychology of Childhood. 1. publ. Penguin Books, 1956.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.