APA (7th ed.) Citation

Berkman, A. (1929). What is Communist anarchism? Vanguard Press.

Chicago Style (17th ed.) Citation

Berkman, Alexander. What Is Communist Anarchism? New York: Vanguard Press, 1929.

MLA (9th ed.) Citation

Berkman, Alexander. What Is Communist Anarchism? Vanguard Press, 1929.