APA (7th ed.) Citation

Umfrid, O. Archivmaterialien zu Otto Umfrid, 1857-1920.

Chicago Style (17th ed.) Citation

Umfrid, Otto. Archivmaterialien Zu Otto Umfrid, 1857-1920.

MLA (9th ed.) Citation

Umfrid, Otto. Archivmaterialien Zu Otto Umfrid, 1857-1920.

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