APA (7th ed.) Citation

Hauptmann, G., & Hauptmann, G. (1942). [Die blaue Blume.]. Fischer.

Chicago Style (17th ed.) Citation

Hauptmann, Gerhart, and Gerhart Hauptmann. [Die Blaue Blume.]. Berlin: Fischer, 1942.

MLA (8th ed.) Citation

Hauptmann, Gerhart, and Gerhart Hauptmann. [Die Blaue Blume.]. Fischer, 1942.

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