Cita APA (7a ed.)

Friedrich, O. (1995). Before the deluge: A portrait of Berlin in the 1920s. HarperPerennial a Division of HarperCollinsPublishers.

Cita Chicago Style (17a ed.)

Friedrich, Otto. Before the Deluge: A Portrait of Berlin in the 1920s. New York: HarperPerennial a Division of HarperCollinsPublishers, 1995.

Cita MLA (9a ed.)

Friedrich, Otto. Before the Deluge: A Portrait of Berlin in the 1920s. HarperPerennial a Division of HarperCollinsPublishers, 1995.