Cita APA (7a ed.)

Miller, R. R. (1991). The changing economics of steel. [s.n.].

Cita Chicago Style (17a ed.)

Miller, Robert R. The Changing Economics of Steel. [S.l.]: [s.n.], 1991.

Cita MLA (9a ed.)

Miller, Robert R. The Changing Economics of Steel. [s.n.], 1991.