Left, Right and Center, conflicting forces in American Labor /  / by Sidney Lens.
  MLA
  Lens, Sidney. Left, Right and Center, Conflicting Forces In American Labor. Hinsdale: Henry Regnery Company, 1949.
  APA
  Lens, S. (1949). Left, Right and Center, conflicting forces in American Labor. Hinsdale: Henry Regnery Company.
  Chicago
  Lens, Sidney Left, Right and Center, Conflicting Forces In American Labor. Hinsdale: Henry Regnery Company, 1949.