APA (7th ed.) Citation

Happach, P. O. Archivmaterialien zu Paul Otto Happach, 1878-1962.

Chicago Style (17th ed.) Citation

Happach, Paul Otto. Archivmaterialien Zu Paul Otto Happach, 1878-1962.

MLA (9th ed.) Citation

Happach, Paul Otto. Archivmaterialien Zu Paul Otto Happach, 1878-1962.

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