APA (7th ed.) Citation

International Business Machines Corporation. (1966). IBM system/360 operating system: Assembler language (2nd ed.). Internat. Business Mach. Corp..

Chicago Style (17th ed.) Citation

International Business Machines Corporation. IBM System/360 Operating System: Assembler Language. 2nd ed. N.Y.: Internat. Business Mach. Corp., 1966.

MLA (8th ed.) Citation

International Business Machines Corporation. IBM System/360 Operating System: Assembler Language. 2nd ed. Internat. Business Mach. Corp., 1966.