Cita APA (7a ed.)

Sin autor & International Business Machines Corporation - IBM. (1973). OS utilities (16th ed.). [S.n.].

Cita Chicago Style (17a ed.)

Sin autor y International Business Machines Corporation - IBM. OS Utilities. 16th ed. Nueva York: [S.n.], 1973.

Cita MLA (9a ed.)

Sin autor y International Business Machines Corporation - IBM. OS Utilities. 16th ed. [S.n.], 1973.