APA (7th ed.) Citation

Kiefer, O. (2019). Archivmaterialien zu Otto Kiefer.

Chicago Style (17th ed.) Citation

Kiefer, Otto. Archivmaterialien Zu Otto Kiefer. 2019.

MLA (8th ed.) Citation

Kiefer, Otto. Archivmaterialien Zu Otto Kiefer. 2019.

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