Cita APA (7a ed.)

Murray, A. M. (1979). Commodities, what next? [s.n.].

Cita Chicago Style (17a ed.)

Murray, A. M. Commodities, What Next? [S.l.]: [s.n.], 1979.

Cita MLA (9a ed.)

Murray, A. M. Commodities, What Next? [s.n.], 1979.