Cita APA (7a ed.)

Kay, A. W. (1972). Moral development: A psychological study of moral growth from childhood to adolescence Unwin education books.

Cita Chicago Style (17a ed.)

Kay, Albert W. "Moral Development: A Psychological Study of Moral Growth from Childhood to Adolescence." Unwin Education Books 1972.

Cita MLA (8a ed.)

Kay, Albert W. "Moral Development: A Psychological Study of Moral Growth from Childhood to Adolescence." Unwin Education Books, 1972.