(1941). Das Nachtigallen-Büchlein. Münchner Buchverl.
Chicago Style (17th ed.) CitationDas Nachtigallen-Büchlein. München: Münchner Buchverl, 1941.
MLA (9th ed.) CitationDas Nachtigallen-Büchlein. Münchner Buchverl, 1941.
Warning: These citations may not always be 100% accurate.