APA (7th ed.) Citation

Friedrich, O. (1974). Before the deluge : a portrait of Berlin in the 1920's / (by) Otto Friedrich: A portrait of Berlin in the 1920's. Joseph.

Chicago Style (17th ed.) Citation

Friedrich, Otto. Before the Deluge : A Portrait of Berlin in the 1920's / (by) Otto Friedrich: A Portrait of Berlin in the 1920's. London: Joseph, 1974.

MLA (9th ed.) Citation

Friedrich, Otto. Before the Deluge : A Portrait of Berlin in the 1920's / (by) Otto Friedrich: A Portrait of Berlin in the 1920's. Joseph, 1974.

Warning: These citations may not always be 100% accurate.