Kiefer, R. Archivmaterialien zu Robert Kiefer, 1875-.
Chicago Style (17th ed.) CitationKiefer, Robert. Archivmaterialien Zu Robert Kiefer, 1875-.
MLA (9th ed.) CitationKiefer, Robert. Archivmaterialien Zu Robert Kiefer, 1875-.
Warning: These citations may not always be 100% accurate.