APA (7th ed.) Citation

Hahs, E. Archivmaterialien zu Erwin Hahs, 1887-1970.

Chicago Style (17th ed.) Citation

Hahs, Erwin. Archivmaterialien Zu Erwin Hahs, 1887-1970.

MLA (9th ed.) Citation

Hahs, Erwin. Archivmaterialien Zu Erwin Hahs, 1887-1970.

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