APA (7th ed.) Citation

Helfferich, A. Archivmaterialien zu Adolph Helfferich, 1813-1894.

Chicago Style (17th ed.) Citation

Helfferich, Adolph. Archivmaterialien Zu Adolph Helfferich, 1813-1894.

MLA (9th ed.) Citation

Helfferich, Adolph. Archivmaterialien Zu Adolph Helfferich, 1813-1894.

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