APA (7th ed.) Citation

Keen, B. Archivmaterialien zu Benjamin Keen, 1913-2002.

Chicago Style (17th ed.) Citation

Keen, Benjamin. Archivmaterialien Zu Benjamin Keen, 1913-2002.

MLA (9th ed.) Citation

Keen, Benjamin. Archivmaterialien Zu Benjamin Keen, 1913-2002.

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