APA (7th ed.) Citation

Hempel, J. Archivmaterialien zu Johannes Hempel, 1891-1964.

Chicago Style (17th ed.) Citation

Hempel, Johannes. Archivmaterialien Zu Johannes Hempel, 1891-1964.

MLA (9th ed.) Citation

Hempel, Johannes. Archivmaterialien Zu Johannes Hempel, 1891-1964.

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