APA (7th ed.) Citation

Helbig, W. Archivmaterialien zu Wolfgang Helbig, 1839-1915.

Chicago Style (17th ed.) Citation

Helbig, Wolfgang. Archivmaterialien Zu Wolfgang Helbig, 1839-1915.

MLA (9th ed.) Citation

Helbig, Wolfgang. Archivmaterialien Zu Wolfgang Helbig, 1839-1915.

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