APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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