APA (7th ed.) Citation

Knapp, R. Archivmaterialien zu Rudolf Knapp, 1894-.

Chicago Style (17th ed.) Citation

Knapp, Rudolf. Archivmaterialien Zu Rudolf Knapp, 1894-.

MLA (9th ed.) Citation

Knapp, Rudolf. Archivmaterialien Zu Rudolf Knapp, 1894-.

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