APA (7th ed.) Citation

Martens, A. Archivmaterialien zu Alfred Martens, 1876-.

Chicago Style (17th ed.) Citation

Martens, Alfred. Archivmaterialien Zu Alfred Martens, 1876-.

MLA (9th ed.) Citation

Martens, Alfred. Archivmaterialien Zu Alfred Martens, 1876-.

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