APA (7th ed.) Citation

Barthels, K. L. Archivmaterialien zu Karl Ludwig Barthels, 1864-.

Chicago Style (17th ed.) Citation

Barthels, Karl Ludwig. Archivmaterialien Zu Karl Ludwig Barthels, 1864-.

MLA (9th ed.) Citation

Barthels, Karl Ludwig. Archivmaterialien Zu Karl Ludwig Barthels, 1864-.

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