APA (7th ed.) Citation

Ritter, A. Archivmaterialien zu Albert Ritter.

Chicago Style (17th ed.) Citation

Ritter, Albert. Archivmaterialien Zu Albert Ritter.

MLA (9th ed.) Citation

Ritter, Albert. Archivmaterialien Zu Albert Ritter.

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