Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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