APA (7th ed.) Citation

Lenin & Lenin, W. I. (1946). Was Tun? . Brennende Fragen unserer Bewegung.

Chicago Style (17th ed.) Citation

Lenin and W. I. Lenin. Was Tun? . Brennende Fragen Unserer Bewegung. 1946.

MLA (8th ed.) Citation

Lenin and W. I. Lenin. Was Tun? . Brennende Fragen Unserer Bewegung. 1946.

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