APA (7th ed.) Citation

Helfert, J. Archivmaterialien zu Joseph Helfert, 1791-1847.

Chicago Style (17th ed.) Citation

Helfert, Joseph. Archivmaterialien Zu Joseph Helfert, 1791-1847.

MLA (9th ed.) Citation

Helfert, Joseph. Archivmaterialien Zu Joseph Helfert, 1791-1847.

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