APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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