APA (7th ed.) Citation

Kiefer, R. Archivmaterialien zu Robert Kiefer, 1875-.

Chicago Style (17th ed.) Citation

Kiefer, Robert. Archivmaterialien Zu Robert Kiefer, 1875-.

MLA (9th ed.) Citation

Kiefer, Robert. Archivmaterialien Zu Robert Kiefer, 1875-.

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