Cita APA (7a ed.)

Lillie, W. (1961). An Introduction to Ethics. Methuen & Co Ltd.

Cita Chicago Style (17a ed.)

Lillie, William. An Introduction to Ethics. London: Methuen & Co Ltd, 1961.

Cita MLA (9a ed.)

Lillie, William. An Introduction to Ethics. Methuen & Co Ltd, 1961.