APA (7th ed.) Citation

Flex, O. Archivmaterialien zu Otto Flex, 1894-1914.

Chicago Style (17th ed.) Citation

Flex, Otto. Archivmaterialien Zu Otto Flex, 1894-1914.

MLA (9th ed.) Citation

Flex, Otto. Archivmaterialien Zu Otto Flex, 1894-1914.

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