APA引文

Lefschetz, S. (1971). Selected papers. New York: Chelsea Pub. Co..

Trích dẫn kiểu Chicago

Lefschetz, Solomon. Selected Papers. New York: Chelsea Pub. Co., 1971.

MLA引文

Lefschetz, Solomon. Selected Papers. New York: Chelsea Pub. Co., 1971.

警告：這些引文格式不一定是100％准確.