Cita APA

Weaver, R. C. (1969). Negro labor: A national problem. Kennikat Press.

Citación estilo Chicago

Weaver, Robert Clifton. Negro Labor: A National Problem. Port Washington, N.Y.: Kennikat Press, 1969.

Cita MLA

Weaver, Robert Clifton. Negro Labor: A National Problem. Kennikat Press, 1969.