APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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