Cita APA (7a ed.)

Wright, D. (1971). The psychology of moral behaviour. Penguin books.

Cita Chicago Style (17a ed.)

Wright, Derek. The Psychology of Moral Behaviour. Harmondsworth, Middlesex: Penguin books, 1971.

Cita MLA (8a ed.)

Wright, Derek. The Psychology of Moral Behaviour. Penguin books, 1971.