APA (7th ed.) Citation

Sievers, W. (2019). Archivmaterialien zu Wilhelm Sievers, 1931-.

Chicago Style (17th ed.) Citation

Sievers, Wilhelm. Archivmaterialien Zu Wilhelm Sievers, 1931-. 2019.

MLA (9th ed.) Citation

Sievers, Wilhelm. Archivmaterialien Zu Wilhelm Sievers, 1931-. 2019.

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