APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.