APA (7th ed.) Citation

MALTHUS, T. R. (1798). An Essay on the principle of population and a summary view of the principle of population. penguin.

Chicago Style (17th ed.) Citation

MALTHUS, Thomas Robert. An Essay on the Principle of Population and a Summary View of the Principle of Population. England: penguin, 1798.

MLA (9th ed.) Citation

MALTHUS, Thomas Robert. An Essay on the Principle of Population and a Summary View of the Principle of Population. penguin, 1798.