APA (7th ed.) Citation

Helmich, S. Archivmaterialien zu Samuel Helmich.

Chicago Style (17th ed.) Citation

Helmich, Samuel. Archivmaterialien Zu Samuel Helmich.

MLA (9th ed.) Citation

Helmich, Samuel. Archivmaterialien Zu Samuel Helmich.

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