APA (7th ed.) Citation

Klassen, W. Archivmaterialien zu William Klassen, 1930-2019.

Chicago Style (17th ed.) Citation

Klassen, William. Archivmaterialien Zu William Klassen, 1930-2019.

MLA (9th ed.) Citation

Klassen, William. Archivmaterialien Zu William Klassen, 1930-2019.

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