Cita APA (7a ed.)

Johnson, O. A. (1969). The moral life. George Allen & Unwin Ltd.

Cita Chicago Style (17a ed.)

Johnson, Olivier A. The Moral Life. London: George Allen & Unwin Ltd, 1969.

Cita MLA (9a ed.)

Johnson, Olivier A. The Moral Life. George Allen & Unwin Ltd, 1969.