APA (7th ed.) Citation

Langen, D. (2019). Archivmaterialien zu Dietrich Langen, 1913-1980.

Chicago Style (17th ed.) Citation

Langen, Dietrich. Archivmaterialien Zu Dietrich Langen, 1913-1980. 2019.

MLA (9th ed.) Citation

Langen, Dietrich. Archivmaterialien Zu Dietrich Langen, 1913-1980. 2019.

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