APA (7th ed.) Citation

Seidel, H. Archivmaterialien zu Helmut Seidel, 1929-2007.

Chicago Style (17th ed.) Citation

Seidel, Helmut. Archivmaterialien Zu Helmut Seidel, 1929-2007.

MLA (9th ed.) Citation

Seidel, Helmut. Archivmaterialien Zu Helmut Seidel, 1929-2007.

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