APA (7th ed.) Citation

Wesson, R. G. (1976). Why Marxism?: The continuing success of a failed theory. Basic Books.

Chicago Style (17th ed.) Citation

Wesson, Robert G. Why Marxism?: The Continuing Success of a Failed Theory. New York: Basic Books, 1976.

MLA (9th ed.) Citation

Wesson, Robert G. Why Marxism?: The Continuing Success of a Failed Theory. Basic Books, 1976.