Style de citation APA (7e éd.)

Malthus, T. R., & Flew, A. (1970). An essay on the principle of population ; and A summary view of the principle of population. Penguin Books.

Style de citation Chicago (17e éd.)

Malthus, Thomas Robert, et Antony Flew. An Essay on the Principle of Population ; and A Summary View of the Principle of Population. Harmondsworth: Penguin Books, 1970.

Style de citation MLA (8e éd.)

Malthus, Thomas Robert, et Antony Flew. An Essay on the Principle of Population ; and A Summary View of the Principle of Population. Penguin Books, 1970.