Cita APA (7th ed.)

Wise, S. S. (1949). Challenging Years: The autobiography of Stephen Wise. Putnam.

Cita Chicago (17th ed.)

Wise, Stephen S. Challenging Years: The Autobiography of Stephen Wise. New York: Putnam, 1949.

Cita MLA (8th ed.)

Wise, Stephen S. Challenging Years: The Autobiography of Stephen Wise. Putnam, 1949.