Cita APA

UNISYS. (1993). . [S.l.]: Plymouth, Mich. : UNISYS Corporation.

Citación estilo Chicago

UNISYS. . [S.l.]: Plymouth, Mich. : UNISYS Corporation, 1993.

Cita MLA

UNISYS. . [S.l.]: Plymouth, Mich. : UNISYS Corporation, 1993.