APA (7th ed.) Citation

Michels, R. Archivmaterialien zu Robert Michels, 1876-1936.

Chicago Style (17th ed.) Citation

Michels, Robert. Archivmaterialien Zu Robert Michels, 1876-1936.

MLA (9th ed.) Citation

Michels, Robert. Archivmaterialien Zu Robert Michels, 1876-1936.

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