Cita APA (7th ed.)

Norman, R. (1983). The moral philosophers: An introduction to ethics. Clarendon.

Cita Chicago (17th ed.)

Norman, Richard. The Moral Philosophers: An Introduction to Ethics. oxford: Clarendon, 1983.

Cita MLA (9th ed.)

Norman, Richard. The Moral Philosophers: An Introduction to Ethics. Clarendon, 1983.