APA (7th ed.) Citation

Weil, S., & Wills, A. (1978). The need for roots: Prelude to a declaration of duties towards mankind. Routledge and Kegan Paul.

Chicago Style (17th ed.) Citation

Weil, Simone, and Arthur Wills. The Need for Roots: Prelude to a Declaration of Duties Towards Mankind. London [etc.]: Routledge and Kegan Paul, 1978.

MLA (8th ed.) Citation

Weil, Simone, and Arthur Wills. The Need for Roots: Prelude to a Declaration of Duties Towards Mankind. Routledge and Kegan Paul, 1978.