APA引文

World's Columbian Exposition. (1893). The Story of Pullman. s.n..

Chicago Style (17th ed.) Citation

World's Columbian Exposition. The Story of Pullman. [S.l.: s.n., 1893.

MLA引文

World's Columbian Exposition. The Story of Pullman. s.n., 1893.

警告:这些引文格式不一定是100%准确.