APA (7th ed.) Citation

Keller, H. Archivmaterialien zu Hans-Erich Keller, 1922-1999.

Chicago Style (17th ed.) Citation

Keller, Hans-Erich. Archivmaterialien Zu Hans-Erich Keller, 1922-1999.

MLA (9th ed.) Citation

Keller, Hans-Erich. Archivmaterialien Zu Hans-Erich Keller, 1922-1999.

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