APA (7th ed.) Citation

Friedrich, P. Archivmaterialien zu Paul Friedrich, 1856-1918.

Chicago Style (17th ed.) Citation

Friedrich, Paul. Archivmaterialien Zu Paul Friedrich, 1856-1918.

MLA (9th ed.) Citation

Friedrich, Paul. Archivmaterialien Zu Paul Friedrich, 1856-1918.

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