APA (7th ed.) Citation

Koch, R. Archivmaterialien zu Richard Koch, 1882-1949.

Chicago Style (17th ed.) Citation

Koch, Richard. Archivmaterialien Zu Richard Koch, 1882-1949.

MLA (9th ed.) Citation

Koch, Richard. Archivmaterialien Zu Richard Koch, 1882-1949.

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