APA (7th ed.) Citation

Lenin & Lenin, W. I. (1954). Was tun ? . Brennende Fragen unserer Bewegung.

Chicago Style (17th ed.) Citation

Lenin and W. I. Lenin. Was Tun ? . Brennende Fragen Unserer Bewegung. 1954.

MLA (8th ed.) Citation

Lenin and W. I. Lenin. Was Tun ? . Brennende Fragen Unserer Bewegung. 1954.

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