Cita APA (7a ed.)

International Business Machines Corporation. International Technical Support Organization & Hellner, H. (2011). Security on IBM z/VSE (3rd ed.). IBM Corp., International Technical Support Organization.

Cita Chicago Style (17a ed.)

International Business Machines Corporation. International Technical Support Organization y Helmut Hellner. Security on IBM Z/VSE. 3rd ed. Poughkeepsie, NY: IBM Corp., International Technical Support Organization, 2011.

Cita MLA (8a ed.)

International Business Machines Corporation. International Technical Support Organization y Helmut Hellner. Security on IBM Z/VSE. 3rd ed. IBM Corp., International Technical Support Organization, 2011.