APA (7th ed.) Citation

Helbling, B. Archivmaterialien zu Barbara Helbling, 1931-2013.

Chicago Style (17th ed.) Citation

Helbling, Barbara. Archivmaterialien Zu Barbara Helbling, 1931-2013.

MLA (9th ed.) Citation

Helbling, Barbara. Archivmaterialien Zu Barbara Helbling, 1931-2013.

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