Oser, J. (1957). Must men starven: The Malthusian controversy. Abelard-Schuman.
Chicagoスタイル(17版)引用形式Oser, Jacob. Must Men Starven: The Malthusian Controversy. New York: Abelard-Schuman, 1957.
MLA(9版)引用形式Oser, Jacob. Must Men Starven: The Malthusian Controversy. Abelard-Schuman, 1957.
警告: この引用は必ずしも正確ではありません.