APA (7th ed.) Citation

(1910). Porträt Bruder Clara Zetkins, Arthur Eißner.

Chicago Style (17th ed.) Citation

Porträt Bruder Clara Zetkins, Arthur Eißner. 1910.

MLA (8th ed.) Citation

Porträt Bruder Clara Zetkins, Arthur Eißner. 1910.

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