APA (7th ed.) Citation

Keller, A. Archivmaterialien zu Adolf Keller, 1872-1963.

Chicago Style (17th ed.) Citation

Keller, Adolf. Archivmaterialien Zu Adolf Keller, 1872-1963.

MLA (9th ed.) Citation

Keller, Adolf. Archivmaterialien Zu Adolf Keller, 1872-1963.

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