APA (7th ed.) Citation

(1918). Um Freiheit und Vaterland. Perthes.

Chicago Style (17th ed.) Citation

Um Freiheit Und Vaterland. Berlin: Perthes, 1918.

MLA (8th ed.) Citation

Um Freiheit Und Vaterland. Perthes, 1918.

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