APA引文

Dulles, F. R. (1949). Labor in America: A history. Crowell.

芝加哥风格引文

Dulles, Foster Rhea. Labor in America: A History. New York: Crowell, 1949.

MLA引文

Dulles, Foster Rhea. Labor in America: A History. Crowell, 1949.

警告：这些引文格式不一定是100％准确.