APA (7th ed.) Citation

Pont, F. (1921). Friedrichstadt an der Eider. Friedrichstadt an der Eider.

Chicago Style (17th ed.) Citation

Pont, Ferdinand. "Friedrichstadt an Der Eider." Friedrichstadt an Der Eider 1921.

MLA (9th ed.) Citation

Pont, Ferdinand. "Friedrichstadt an Der Eider." Friedrichstadt an Der Eider, 1921.

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