Cita APA (7th ed.)

Malthus, T. R. (1960). An essay on the principle of population. J. M. Dent & Sons.

Cita Chicago (17th ed.)

Malthus, T. R. An Essay on the Principle of Population. London: J. M. Dent & Sons, 1960.

Cita MLA (9th ed.)

Malthus, T. R. An Essay on the Principle of Population. J. M. Dent & Sons, 1960.