APA (7th ed.) Citation

Keck, O. Archivmaterialien zu Otto Keck, 1855-1880.

Chicago Style (17th ed.) Citation

Keck, Otto. Archivmaterialien Zu Otto Keck, 1855-1880.

MLA (9th ed.) Citation

Keck, Otto. Archivmaterialien Zu Otto Keck, 1855-1880.

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