APA (7th ed.) Citation

Harmsen, H. Archivmaterialien zu Hans Harmsen, 1899-1989.

Chicago Style (17th ed.) Citation

Harmsen, Hans. Archivmaterialien Zu Hans Harmsen, 1899-1989.

MLA (9th ed.) Citation

Harmsen, Hans. Archivmaterialien Zu Hans Harmsen, 1899-1989.

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