APA (7th ed.) Citation

Zirkel, F. Archivmaterialien zu Ferdinand Zirkel, 1838-1912.

Chicago Style (17th ed.) Citation

Zirkel, Ferdinand. Archivmaterialien Zu Ferdinand Zirkel, 1838-1912.

MLA (9th ed.) Citation

Zirkel, Ferdinand. Archivmaterialien Zu Ferdinand Zirkel, 1838-1912.

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