Wolff, H. W. (1918). The future of our agriculture. P.S. King & Son.
Chicagoスタイル(17版)引用形式Wolff, Henry W. The Future of Our Agriculture. London: P.S. King & Son, 1918.
MLA(8版)引用形式Wolff, Henry W. The Future of Our Agriculture. P.S. King & Son, 1918.
警告: この引用は必ずしも正確ではありません.