Cita APA

Ludwig, E. (1939). The life of Adolf Hitler: ... as published in Look magazine. [S.n.].

Citación estilo Chicago

Ludwig, Emil. The Life of Adolf Hitler: ... as Published in Look Magazine. New York, N.Y: [S.n.], 1939.

Cita MLA

Ludwig, Emil. The Life of Adolf Hitler: ... as Published in Look Magazine. [S.n.], 1939.