Cita APA (7a ed.)

Andrews, G. R. (1930). Black workers and white: São Paulo, Brazil, 1888-1928. [s.n.].

Cita Chicago Style (17a ed.)

Andrews, George Reid. Black Workers and White: São Paulo, Brazil, 1888-1928. [S.l.]: [s.n.], 1930.

Cita MLA (8a ed.)

Andrews, George Reid. Black Workers and White: São Paulo, Brazil, 1888-1928. [s.n.], 1930.