APA (7th ed.) Citation

Philadelphia-Verein. (1948). Philadelphia-Brief. Philadelphia-Verein e. V.

Chicago Style (17th ed.) Citation

Philadelphia-Verein. Philadelphia-Brief. Ditzingen: Philadelphia-Verein e. V, 1948.

MLA (8th ed.) Citation

Philadelphia-Verein. Philadelphia-Brief. Philadelphia-Verein e. V, 1948.

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