APA (7th ed.) Citation

Heyden, H. Archivmaterialien zu Hellmuth Heyden, 1893-1972.

Chicago Style (17th ed.) Citation

Heyden, Hellmuth. Archivmaterialien Zu Hellmuth Heyden, 1893-1972.

MLA (9th ed.) Citation

Heyden, Hellmuth. Archivmaterialien Zu Hellmuth Heyden, 1893-1972.

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