APA (7th ed.) Citation

Goldman, A. (1940). The assassination of Leon Trotsky: The proofs of Stalin's guilt. New York: Pioneer Publishers.

Chicago Style (17th ed.) Citation

Goldman, Albert. The Assassination of Leon Trotsky: The Proofs of Stalin's Guilt. New York: Pioneer Publishers, 1940.

MLA (8th ed.) Citation

Goldman, Albert. The Assassination of Leon Trotsky: The Proofs of Stalin's Guilt. New York: Pioneer Publishers, 1940.

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