Cita APA (7a ed.)

Cohen, G. A. (1985). Are workers forced to sell their labor power? [s.n.].

Cita Chicago Style (17a ed.)

Cohen, G. A. Are Workers Forced to Sell Their Labor Power? [S.l.]: [s.n.], 1985.

Cita MLA (9a ed.)

Cohen, G. A. Are Workers Forced to Sell Their Labor Power? [s.n.], 1985.