APA (7th ed.) Citation

***. (1925). Herman Greulich. Sozialdem Partei Zürich.

Chicago Style (17th ed.) Citation

***. Herman Greulich. Sozialdem Partei Zürich, 1925.

MLA (8th ed.) Citation

***. Herman Greulich. Sozialdem Partei Zürich, 1925.

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