APA (7th ed.) Citation

Ritter, G. (2019). Archivmaterialien zu Gerhard Ritter, 1888-1967.

Chicago Style (17th ed.) Citation

Ritter, Gerhard. Archivmaterialien Zu Gerhard Ritter, 1888-1967. 2019.

MLA (9th ed.) Citation

Ritter, Gerhard. Archivmaterialien Zu Gerhard Ritter, 1888-1967. 2019.

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