APA (7th ed.) Citation

Weil, S. (1971). The need for roots: Prelude to a declaration of duties toward mankind. Harper Colophon Books.

Chicago Style (17th ed.) Citation

Weil, Simone. The Need for Roots: Prelude to a Declaration of Duties Toward Mankind. New York: Harper Colophon Books, 1971.

MLA (9th ed.) Citation

Weil, Simone. The Need for Roots: Prelude to a Declaration of Duties Toward Mankind. Harper Colophon Books, 1971.