Cita APA

Malthus,Thomas, & Gilbert,Geoffrey. (2008). Essay on the principle of population. Oxford University Press.

Citación estilo Chicago

Malthus,Thomas, y Gilbert,Geoffrey. Essay on the Principle of Population. New Delhi: Oxford University Press, 2008.

Cita MLA

Malthus,Thomas, y Gilbert,Geoffrey. Essay on the Principle of Population. Oxford University Press, 2008.