APA
Schweitzer A., . (1949). Out of my life and thought. New York: A Mentor Book.
Chicago
Schweitzer Albert, . 1949. Out of my life and thought. New York: A Mentor Book.
Harvard
Schweitzer A., . (1949). Out of my life and thought. New York: A Mentor Book.
MLA
Schweitzer Albert, . Out of my life and thought. New York: A Mentor Book. 1949.