Cita APA (7a ed.)

Sin autor & Word Perfect Corporation. (1993). Word Perfect Version 6.0 [disquete]. [S.n.].

Cita Chicago Style (17a ed.)

Sin autor y Word Perfect Corporation. Word Perfect Version 6.0 [disquete]. Orem: [S.n.], 1993.

Cita MLA (9a ed.)

Sin autor y Word Perfect Corporation. Word Perfect Version 6.0 [disquete]. [S.n.], 1993.