Cita APA

Friedrich, O. (1972). Before the deluge: A portrait of Berlin in the 1920's. Harper & Row.

Citación estilo Chicago

Friedrich, Otto. Before the Deluge: A Portrait of Berlin in the 1920's. New York [u.a.]: Harper & Row, 1972.

Cita MLA

Friedrich, Otto. Before the Deluge: A Portrait of Berlin in the 1920's. Harper & Row, 1972.