APA (7th ed.) Citation

Koch, G. Archivmaterialien zu Gertrud Koch, 1949-.

Chicago Style (17th ed.) Citation

Koch, Gertrud. Archivmaterialien Zu Gertrud Koch, 1949-.

MLA (9th ed.) Citation

Koch, Gertrud. Archivmaterialien Zu Gertrud Koch, 1949-.

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