APA (7th ed.) Citation

Helwig, C. Archivmaterialien zu Christoph Helwig, 1581-1617.

Chicago Style (17th ed.) Citation

Helwig, Christoph. Archivmaterialien Zu Christoph Helwig, 1581-1617.

MLA (9th ed.) Citation

Helwig, Christoph. Archivmaterialien Zu Christoph Helwig, 1581-1617.

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