APA (7th ed.) Citation

Frey, H. Archivmaterialien zu Hellmuth Frey, 1901-1982.

Chicago Style (17th ed.) Citation

Frey, Hellmuth. Archivmaterialien Zu Hellmuth Frey, 1901-1982.

MLA (9th ed.) Citation

Frey, Hellmuth. Archivmaterialien Zu Hellmuth Frey, 1901-1982.

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