APA (7th ed.) Citation

Zwanger, H. Archivmaterialien zu Helmut Zwanger, 1942-.

Chicago Style (17th ed.) Citation

Zwanger, Helmut. Archivmaterialien Zu Helmut Zwanger, 1942-.

MLA (9th ed.) Citation

Zwanger, Helmut. Archivmaterialien Zu Helmut Zwanger, 1942-.

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