APA (7th ed.) Citation

Essinger, H. Archivmaterialien zu Helmut Essinger, 1931-.

Chicago Style (17th ed.) Citation

Essinger, Helmut. Archivmaterialien Zu Helmut Essinger, 1931-.

MLA (9th ed.) Citation

Essinger, Helmut. Archivmaterialien Zu Helmut Essinger, 1931-.

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