APA (7th ed.) Citation

Keussen, R. Archivmaterialien zu Rudolf Keussen, 1877-1944.

Chicago Style (17th ed.) Citation

Keussen, Rudolf. Archivmaterialien Zu Rudolf Keussen, 1877-1944.

MLA (9th ed.) Citation

Keussen, Rudolf. Archivmaterialien Zu Rudolf Keussen, 1877-1944.

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