APA (7th ed.) Citation

Horkel, W. Archivmaterialien zu Wilhelm Horkel, 1909-2012.

Chicago Style (17th ed.) Citation

Horkel, Wilhelm. Archivmaterialien Zu Wilhelm Horkel, 1909-2012.

MLA (9th ed.) Citation

Horkel, Wilhelm. Archivmaterialien Zu Wilhelm Horkel, 1909-2012.

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