APA (7th ed.) Citation

Zimmer, W. (1912). Die "proletarische" Kunst? ([Electronic ed.].).

Chicago Style (17th ed.) Citation

Zimmer, W. Die "Proletarische" Kunst? [Electronic ed.]. 1912.

MLA (9th ed.) Citation

Zimmer, W. Die "Proletarische" Kunst? [Electronic ed.]. 1912.

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