Cita APA

O.N.U.D.I. (1976). A fertilizer bulk blending and baging plant. New York: [s.n.].

Citación estilo Chicago

O.N.U.D.I. A Fertilizer Bulk Blending and Baging Plant. New York: [s.n.], 1976.

Cita MLA

O.N.U.D.I. A Fertilizer Bulk Blending and Baging Plant. New York: [s.n.], 1976.