APA (7th ed.) Citation

Härtel, H. Archivmaterialien zu Helmar Härtel, 1942-.

Chicago Style (17th ed.) Citation

Härtel, Helmar. Archivmaterialien Zu Helmar Härtel, 1942-.

MLA (9th ed.) Citation

Härtel, Helmar. Archivmaterialien Zu Helmar Härtel, 1942-.

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