Style de citation APA (7e éd.)

Malthus, T. R., & Gilbert, G. (2008). An essay on the principle of population. Oxford University Press.

Style de citation Chicago (17e éd.)

Malthus, T. R., et Geoffrey Gilbert. An Essay on the Principle of Population. Oxford ; New York: Oxford University Press, 2008.

Style de citation MLA (8e éd.)

Malthus, T. R., et Geoffrey Gilbert. An Essay on the Principle of Population. Oxford University Press, 2008.