(1971). Werke: 4 November 1917 - 1920. Werke.
Chicago Style (17th ed.) Citation"Werke: 4 November 1917 - 1920." Werke 1971.
MLA (8th ed.) Citation"Werke: 4 November 1917 - 1920." Werke, 1971.
Warning: These citations may not always be 100% accurate.
