APA (7th ed.) Citation

Perlman, S. (1922). A history of trade unionism in the United States. Macmillan Co.

Chicago Style (17th ed.) Citation

Perlman, Selig. A History of Trade Unionism in the United States. New York: Macmillan Co, 1922.

MLA (9th ed.) Citation

Perlman, Selig. A History of Trade Unionism in the United States. Macmillan Co, 1922.