Cita APA (7a ed.)

Valentine, C. W. (1966). The normal child and some of his abnormalities: A general introduction to the psychology of childhood (Reprint.). Penguin Books.

Cita Chicago Style (17a ed.)

Valentine, Charles Wilfred. The Normal Child and Some of His Abnormalities: A General Introduction to the Psychology of Childhood. Reprint. Hardmondworth [etc.]: Penguin Books, 1966.

Cita MLA (9a ed.)

Valentine, Charles Wilfred. The Normal Child and Some of His Abnormalities: A General Introduction to the Psychology of Childhood. Reprint. Penguin Books, 1966.