Malthus, T. R. (1976). An essay on the principle of population and a summary view of the principle of population. Penguin Books.
Цитирование в стиле Чикаго (17-е изд.)Malthus, Thomas Robert. An Essay on the Principle of Population and a Summary View of the Principle of Population. Penguin Books, 1976.
Цитирование MLA (9-е изд.)Malthus, Thomas Robert. An Essay on the Principle of Population and a Summary View of the Principle of Population. Penguin Books, 1976.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.