APA (7th ed.) Citation

Frei, W. Archivmaterialien zu Walter Frei, 1927-2022.

Chicago Style (17th ed.) Citation

Frei, Walter. Archivmaterialien Zu Walter Frei, 1927-2022.

MLA (9th ed.) Citation

Frei, Walter. Archivmaterialien Zu Walter Frei, 1927-2022.

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