Powers, G. Black union power in the steel mills: George Powers. A freedomways reader : Afro-America in the seventies.(1977).
Cita Chicago Style (17a ed.)Powers, George. "Black Union Power in the Steel Mills: George Powers." A Freedomways Reader : Afro-America in the Seventies.(1977) .
Cita MLA (8a ed.)Powers, George. "Black Union Power in the Steel Mills: George Powers." A Freedomways Reader : Afro-America in the Seventies.(1977), .
Precaución: Estas citas no son 100% exactas.