Betz, G. (2019). Archivmaterialien zu Gertrude Betz.
Chicago Style (17th ed.) CitationBetz, Gertrude. Archivmaterialien Zu Gertrude Betz. 2019.
MLA (8th ed.) CitationBetz, Gertrude. Archivmaterialien Zu Gertrude Betz. 2019.
Warning: These citations may not always be 100% accurate.