Malthus, T. R. (1960). On population. New York: The Modern Library.
Trích dẫn kiểu ChicagoMalthus, Thomas Robert. On Population. New York: The Modern Library, 1960.
MLA引文Malthus, Thomas Robert. On Population. New York: The Modern Library, 1960.
警告：这些引文格式不一定是100％准确.