APA (7th ed.) Citation

Heid, H. Archivmaterialien zu Helmut Heid, 1934-.

Chicago Style (17th ed.) Citation

Heid, Helmut. Archivmaterialien Zu Helmut Heid, 1934-.

MLA (9th ed.) Citation

Heid, Helmut. Archivmaterialien Zu Helmut Heid, 1934-.

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