Malthus, T. (1959). Population: The first essay. Univ. Press.
Chicagoスタイル(17版)引用形式Malthus, Thomas. Population: The First Essay. Michigan: Univ. Press, 1959.
MLA(9版)引用形式Malthus, Thomas. Population: The First Essay. Univ. Press, 1959.
警告: この引用は必ずしも正確ではありません.