Cita APA (7a ed.)

Sin autor & International Business Machines Corporation - IBM. (1975). OS/VS1 data management for system programmers (3rd ed.). [S.n.].

Cita Chicago Style (17a ed.)

Sin autor y International Business Machines Corporation - IBM. OS/VS1 Data Management for System Programmers. 3rd ed. San Jose: [S.n.], 1975.

Cita MLA (9a ed.)

Sin autor y International Business Machines Corporation - IBM. OS/VS1 Data Management for System Programmers. 3rd ed. [S.n.], 1975.