APA (7th ed.) Citation

Köhler, H. Archivmaterialien zu Helmut Köhler, 1944-.

Chicago Style (17th ed.) Citation

Köhler, Helmut. Archivmaterialien Zu Helmut Köhler, 1944-.

MLA (9th ed.) Citation

Köhler, Helmut. Archivmaterialien Zu Helmut Köhler, 1944-.

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