APA (7th ed.) Citation

Helwig, H. (2019). Archivmaterialien zu Hellmuth Helwig, 1911-1979.

Chicago Style (17th ed.) Citation

Helwig, Hellmuth. Archivmaterialien Zu Hellmuth Helwig, 1911-1979. 2019.

MLA (9th ed.) Citation

Helwig, Hellmuth. Archivmaterialien Zu Hellmuth Helwig, 1911-1979. 2019.

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