APA (7th ed.) Citation

Erk, F. Archivmaterialien zu Friedrich Erk, 1809-1879.

Chicago Style (17th ed.) Citation

Erk, Friedrich. Archivmaterialien Zu Friedrich Erk, 1809-1879.

MLA (9th ed.) Citation

Erk, Friedrich. Archivmaterialien Zu Friedrich Erk, 1809-1879.

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