APA (7th ed.) Citation

Bley, H. Archivmaterialien zu Helmut Bley, 1935-.

Chicago Style (17th ed.) Citation

Bley, Helmut. Archivmaterialien Zu Helmut Bley, 1935-.

MLA (9th ed.) Citation

Bley, Helmut. Archivmaterialien Zu Helmut Bley, 1935-.

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