APA引文

Schumpeter, J. A. (1955). Imperialism and social classes. The World Pub. Co..

芝加哥风格引文

Schumpeter, Joseph A. Imperialism and Social Classes. Cleveland: The World Pub. Co., 1955.

MLA引文

Schumpeter, Joseph A. Imperialism and Social Classes. The World Pub. Co., 1955.

警告：这些引文格式不一定是100％准确.