Citazione Stile APA (7a Edizione)

Schweitzer, A., & Skillings, E. (1959). Out of my life and thought: An autobiography (8th print.). The New American Library.

Citazione stile Chigago Style (17a edizione)

Schweitzer, Albert, e Everett Skillings. Out of My Life and Thought: An Autobiography. 8th print. New York: The New American Library, 1959.

Citatione MLA (9a ed.)

Schweitzer, Albert, e Everett Skillings. Out of My Life and Thought: An Autobiography. 8th print. The New American Library, 1959.