Cohen, R. (1949). The economics of agriculture. Univ. Press.
芝加哥风格引文Cohen, R. The Economics of Agriculture. Cambridge: Univ. Press, 1949.
MLA引文Cohen, R. The Economics of Agriculture. Univ. Press, 1949.
警告:这些引文格式不一定是100%准确.
Cohen, R. (1949). The economics of agriculture. Univ. Press.
芝加哥风格引文Cohen, R. The Economics of Agriculture. Cambridge: Univ. Press, 1949.
MLA引文Cohen, R. The Economics of Agriculture. Univ. Press, 1949.