APA (7th ed.) Citation

Koch, J. Archivmaterialien zu Julius Koch, 1850-.

Chicago Style (17th ed.) Citation

Koch, Julius. Archivmaterialien Zu Julius Koch, 1850-.

MLA (9th ed.) Citation

Koch, Julius. Archivmaterialien Zu Julius Koch, 1850-.

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