APA (7th ed.) Citation

Harder, H. Archivmaterialien zu Heinrich Harder, 1858-1935.

Chicago Style (17th ed.) Citation

Harder, Heinrich. Archivmaterialien Zu Heinrich Harder, 1858-1935.

MLA (9th ed.) Citation

Harder, Heinrich. Archivmaterialien Zu Heinrich Harder, 1858-1935.

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