Franklin

MLA

Perlman, Selig. A History of Trade Unionism In the United States. New York: A. M. Kelley, 1950.

APA

Perlman, S. (1950). A history of trade unionism in the United States. New York: A. M. Kelley.

Chicago

Perlman, Selig, A History of Trade Unionism In the United States. New York: A. M. Kelley, 1950.