Helbing, A. T. The Departments of the American Federation of Labor, by Albert Theodore Helbing. Baltimore, the Johns Hopkins Press.
Chicago Style (17th ed.) CitationHelbing, Albert Theodore. The Departments of the American Federation of Labor, by Albert Theodore Helbing. Baltimore, the Johns Hopkins Press.
MLA (8th ed.) CitationHelbing, Albert Theodore. The Departments of the American Federation of Labor, by Albert Theodore Helbing. Baltimore, the Johns Hopkins Press.
Warning: These citations may not always be 100% accurate.