APA (7th ed.) Citation

Blum, A. A. (1972). A history of the American labor movement (Rev. and expanded.). AHA.

Chicago Style (17th ed.) Citation

Blum, Albert A. A History of the American Labor Movement. Rev. and expanded. Washington, DC: AHA, 1972.

MLA (9th ed.) Citation

Blum, Albert A. A History of the American Labor Movement. Rev. and expanded. AHA, 1972.