Cita APA

Malthus, T. R. (1960). On population. New York: The Modern Library.

Chicago Style Citation

Malthus, Thomas Robert. On Population. New York: The Modern Library, 1960.

Cita MLA

Malthus, Thomas Robert. On Population. New York: The Modern Library, 1960.

Atenció: Aquestes cites poden no estar 100% correctes.