John L. Lewis, an unauthorized biography.

MLA

Alinsky, Saul. John L. Lewis, an Unauthorized Biography. New York: Putman's Sons, 1949.

APA

Alinsky, S. (1949). John L. Lewis, an unauthorized biography. New York: Putman's Sons.

Chicago

Alinsky, Saul John L. Lewis, an Unauthorized Biography. New York: Putman's Sons, 1949.