APA (7th ed.) Citation

Flex, W. Archivmaterialien zu Walter Flex, 1887-1917.

Chicago Style (17th ed.) Citation

Flex, Walter. Archivmaterialien Zu Walter Flex, 1887-1917.

MLA (9th ed.) Citation

Flex, Walter. Archivmaterialien Zu Walter Flex, 1887-1917.

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