APA (7th ed.) Citation

Hudson, G. F. (1968). Fifty years of communism: Theory and practice, 1917-1967. Basic Books.

Chicago Style (17th ed.) Citation

Hudson, Geoffrey Francis. Fifty Years of Communism: Theory and Practice, 1917-1967. New York: Basic Books, 1968.

MLA (9th ed.) Citation

Hudson, Geoffrey Francis. Fifty Years of Communism: Theory and Practice, 1917-1967. Basic Books, 1968.