APA (7th ed.) Citation

Doelker, H. Archivmaterialien zu Helmut Doelker, 1904-1992.

Chicago Style (17th ed.) Citation

Doelker, Helmut. Archivmaterialien Zu Helmut Doelker, 1904-1992.

MLA (9th ed.) Citation

Doelker, Helmut. Archivmaterialien Zu Helmut Doelker, 1904-1992.

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