Malthus, T. (1960). On population: Three essays. The new American library.
Chicagoスタイル(17版)引用形式Malthus, Thomas. On Population: Three Essays. New York: The new American library, 1960.
MLA(9版)引用形式Malthus, Thomas. On Population: Three Essays. The new American library, 1960.
警告: この引用は必ずしも正確ではありません.