APA (7th ed.) Citation

Ritter, K. (2019). Archivmaterialien zu Klaus Ritter, 1918-2015.

Chicago Style (17th ed.) Citation

Ritter, Klaus. Archivmaterialien Zu Klaus Ritter, 1918-2015. 2019.

MLA (9th ed.) Citation

Ritter, Klaus. Archivmaterialien Zu Klaus Ritter, 1918-2015. 2019.

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