Style de citation APA

Blum, A. A. (1972). A history of the American labor movement. American Historical Assoc.

Style de citation Chicago

Blum, Albert A. A History of the American Labor Movement. Washington, D.C: American Historical Assoc, 1972.

Style de citation MLA

Blum, Albert A. A History of the American Labor Movement. American Historical Assoc, 1972.