Cita APA (7a ed.)

Sin autor & International Business Machines Corporation - IBM. (2001). DB2 Universal Database for OS/390 and z/OS: Reference summary version 7. IBM Corporation.

Cita Chicago Style (17a ed.)

Sin autor y International Business Machines Corporation - IBM. DB2 Universal Database for OS/390 and Z/OS: Reference Summary Version 7. [S.l.]: IBM Corporation, 2001.

Cita MLA (9a ed.)

Sin autor y International Business Machines Corporation - IBM. DB2 Universal Database for OS/390 and Z/OS: Reference Summary Version 7. IBM Corporation, 2001.